CN103809674B - Storage device - Google Patents

Abstract

Storage device, including first circuit board, second circuit board and tertiary circuit plate；One or more memory chips are disposed with the first circuit board, one or more memory chips are disposed with the second circuit board, controller and HPI are disposed with the tertiary circuit plate；The first circuit board is coupled with the tertiary circuit plate, the second circuit board is coupled with the tertiary circuit plate so that one or more memory chips being arranged on the first circuit board by the controller access via the HPI and one or more memory chips being arranged on the second circuit board；The capacity of the memory chip on the first circuit board is two times of the capacity of the memory chip on the second circuit board.

Description

Storage device

Technical field

The present invention relates to electronic equipment, more particularly, the present invention relate to solid storage device (Solid Storage Device, SSD) printed circuit board system.

Background technology

Similar with mechanical hard disk, solid storage device (SSD) is also the Large Copacity, non-volatile for computer system Property storage device.Solid storage device is general using flash memory (Flash) as storage medium.High performance solid storage device by with In high-performance computer.

In patent application WO2011085131A2, there is provided the solid state hard disc of the expansible capacity as shown in Figure 1A, 1B. In Figure 1A, multiple connectors 204, and flash chip (not shown) are disposed with the main printed circuit board 205 of solid state hard disc. Connector 204 can be removably attached to subcard.Subcard may include flash chip, and additional storage is provided with to solid state hard disc Ability.Subcard 608,610 is provided in Figure 1B, each subcard includes flash chip 609 and connector 607.By connector 606 Receive each subcard.Each subcard 608 and 610 can individually or together be connected to main PCB (Printed Circuit Board, print Printed circuit board) 601.The capacity of the flash chip of subcard is presented to main frame by controller 602 by interface 603.If the He of subcard 608 610 are inserted into, and the capacity of the flash chip 609 on polymerizable each subcard of controller 602 is being logically presented to main frame.

In utility model patent CN201402611Y, there is provided solid state hard disc as shown in Figure 2.As memory module First Coupled Rigid-flexible PCB 4 includes multiple flash chips 41, and includes control core as the second Coupled Rigid-flexible PCB 5 of master control borad Piece 51.First Coupled Rigid-flexible PCB 4 includes rigidity PCB 42 and flexible PCB 43, and the second Coupled Rigid-flexible PCB 5 includes rigidity PCB 52 and flexible PCB 53.First Coupled Rigid-flexible PCB 4 and the second Coupled Rigid-flexible PCB 5 pass through flexible PCB 43 and flexible PCB 53 The holding wire and via of upper setting realize the connection of the signal on the first Coupled Rigid-flexible PCB 4 and the second Coupled Rigid-flexible PCB 5.It is soft Property PCB 43 and flexible PCB 53 are as described in the diagonal line hatches region in Fig. 2.Flexible PCB 43 and flexible PCB 53 and rigidity PCB 42 and rigidity PCB 52 can be formed in time processing.

The PCB with flexible PCB is provided in US2007165390A1, as shown in Figure 3.Fig. 3 includes, first Base plate 100, the second base plate 200 and signal transmission flexible circuit (FPC, Flexible, Printed Circuit).First base plate 100 is disconnected from each other with the second base plate 200, and transmits signal using FPC.Can be installed on the second base plate 200 electronic component 201, 202, electronic component 101,102, and micro-control unit (MCU, Micro Control can be installed on the first base plate 100 Unit).First base plate 100 includes opening portion 300, and it is formed in the region with dimension D, and dimension D is less than the first base plate 100 Full-size (d).Signal transmission part FPC can extend from opening portion 300.

However, to improve the memory capacity of storage device, it is necessary to arrange more storage chips in limited space.But More storage chips need more leads to implement control, and this space limited with storage device contradicts.Furthermore, it is desirable to The storage device with various different memory sizes and/or different storage chip quantity is provided, without dramatically increasing cost.

The content of the invention

According to the first aspect of the invention, there is provided a kind of electronic equipment, including the first rigid circuit board, the second rigid electric Road plate and flexible PCB, the flexible PCB are passed between first rigid circuit board and second rigid circuit board Pass electric signal, first rigid circuit board have relative first while and when second；The flexible PCB has relative 3rd while and when the 4th；The 3rd of the flexible PCB is described soft when the first of first rigid circuit board is coupled to It is coupled to the first area of second rigid circuit board in 4th side of property circuit board；The width on the 4th side is more than described the The width on one side.

In electronic equipment according to the first aspect of the invention, connector, the company are disposed with the flexible PCB Device is connect for the flexible PCB to be coupled to the first area of second rigid circuit board；The first area is disposed with The connector corresponding with first connector.

In electronic equipment according to the first aspect of the invention, the 3rd side is from the first of first rigid circuit board While extend, and/or the 4th side is extended from the first area of second rigid circuit board.

In electronic equipment according to the first aspect of the invention, wherein the first side of first rigid circuit board is located at institute State the top of first area.

In electronic equipment according to the first aspect of the invention, also including the first support base, first support base is by institute State connector to be pressed on second rigid circuit board, the first of the first rigid circuit board described in the first support seat supports Side.

In electronic equipment according to the first aspect of the invention, also including the second support base；The second support seat supports Second side of first rigid circuit board.

In electronic equipment according to the first aspect of the invention, connector is disposed with the flexible PCB, it is described soft Property circuit board has the first face and the second face relative to each other, the connector with the plane where first rigid circuit board It is arranged on first face, the connector is used to that the flexible PCB to be coupled to the of second rigid circuit board One region so that when the connector is towards second rigid circuit board, the first face of first rigid circuit board is dorsad Second rigid circuit board.

In electronic equipment according to the first aspect of the invention, memory is disposed with first rigid circuit board, and Controller and HPI are disposed with second rigid circuit board.

In electronic equipment according to the first aspect of the invention, wherein being disposed with instruction described the on the flexible PCB The wiring of the configuration of one rigid circuit board.

In electronic equipment according to the first aspect of the invention, wherein first rigid circuit board is rectangle, described While being the short side of the rectangle with second side.

According to the second aspect of the invention, there is provided a kind of method for installing electronic equipment, the electronic equipment bag Include the first rigid circuit board, the second rigid circuit board and flexible PCB, the flexible PCB is from first rigid circuit One side of plate is extended, and methods described includes：The first connector that will be arranged on flexible PCB be arranged in second rigidity The second connector on circuit board is connected；The first connector is pressed on second rigid circuit board using support base； By the flexible PCB along the support base surface curvature；And first rigid circuit board is fixed on the support On seat.

Method according to the second aspect of the invention, wherein the lower surface of the support base compresses first connector, And first rigid circuit board is placed in the groove of the upper surface of the support base.

According to the third aspect of the invention we, there is provided a kind of electronic equipment, including the first rigid circuit board, the second rigid electric Road plate, the 3rd rigid circuit board, the first flexible PCB and the second flexible PCB；First flexible PCB is described Electric signal is transmitted between first rigid circuit board and the 3rd rigid circuit board, second flexible PCB is described second Electric signal is transmitted between rigid circuit board and the 3rd rigid circuit board, first rigid circuit board has relative first While and when second；Second rigid circuit board have relative the 3rd while and when the 4th；First flexible PCB has , at the 6th, the described 5th when the first of first rigid circuit board is coupled to for relative the 5th；Second flexible electrical Road plate has relative the 7th at the 8th, and the described 7th when the 3rd of second rigid circuit board is coupled to；Described The first area of the 3rd rigid circuit board is coupled on six sides, and the secondth area of the rigid circuit board is coupled on the 8th side Domain；Described 6th while width be more than described first while width, the described 8th while width be more than the described 3rd while width.

Electronic equipment according to the third aspect of the invention we, wherein the 5th side is from the of first rigid circuit board While extending；Described 7th extends while from the 3rd of second rigid circuit board.

Electronic equipment according to the third aspect of the invention we, wherein, the 6th side of first flexible PCB is disposed with First connector, the 8th side of second flexible PCB is disposed with the second connector；First connector is used for institute State the first area that the first flexible PCB is coupled to the 3rd rigid circuit board；Second connector is used for described the Two flexible PCBs are coupled to the second area of the 3rd rigid circuit board；The first area is disposed with and connects with described first The corresponding connector of device is connect, the second area is disposed with the connector corresponding with second connector.

Electronic equipment according to the third aspect of the invention we, wherein, the 6th side of first flexible PCB is from described The first area of the 3rd rigid circuit board is extended, and the 8th side of second flexible PCB is from the of the tertiary circuit plate Extend in two regions.

Electronic equipment according to the third aspect of the invention we, wherein the first area is the 3rd rigid circuit board The part on the 9th side, and/or the second area is the part of the odd plots of land that can be cultivated of the 3rd rigid circuit board.

Electronic equipment according to the third aspect of the invention we, also including the first support base and the second support base, described first Be pressed on first connector on the 3rd rigid circuit board by support base, and second support base is connected described second Device is pressed in the 3rd rigid plate；First side of the first rigid circuit board, described the described in the first support seat supports One support base also supports the 4th side of second rigid circuit board；First rigid circuit board described in the second support seat supports The second side, second support base also supports the 3rd side of second rigid circuit board.

Electronic equipment according to the third aspect of the invention we, wherein, first flexible PCB and described first is rigidly Plane where circuit board has the first face and the second face relative to each other；Second flexible PCB and the described second rigidity Plane where circuit board has the 3rd face and fourth face relative to each other；First connector is arranged in first face On, second connector is arranged on the 3rd face；First connector is used for the first flexible PCB coupling Close the first area of the 3rd rigid circuit board so that when first connector is towards three rigid circuit board, First face of first rigid circuit board dorsad the 3rd rigid circuit board；Second connector is used for described second Flexible PCB is coupled to the second area of the 3rd rigid circuit board so that second connector is firm towards the described 3rd During property circuit board, the first face of second rigid circuit board dorsad the 3rd rigid circuit board.

Electronic equipment according to the third aspect of the invention we, wherein memory is disposed with first rigid circuit board, Memory is disposed with second rigid circuit board, controller and HPI are disposed with the 3rd rigid circuit board.

Electronic equipment according to the third aspect of the invention we, wherein the storage of the memory on first rigid circuit board Capacity is two times of the memory capacity of the memory on second rigid circuit board.

Electronic equipment according to the third aspect of the invention we, wherein the first side of first rigid circuit board is positioned at described The top of first area, the 3rd side of second rigid circuit board is located at the top of the second area；

4th side of second rigid circuit board is located at the top of the first area, first rigid circuit board Second side is located at the top of the second area.

Electronic equipment according to the third aspect of the invention we, wherein it is described that instruction is disposed with first flexible PCB The wiring of the memory capacity of the memory on the first rigid circuit board, is disposed with instruction described the on second flexible PCB The wiring of the memory capacity of the memory on two rigid circuit boards.

According to the fourth aspect of the invention, there is provided a kind of method for installing electronic equipment, the electronic equipment bag Include the first rigid circuit board, the second rigid circuit board, the 3rd rigid circuit board, the first flexible PCB and the second flexible circuit Plate, first flexible PCB extends from one side of first rigid circuit board, the second flexible PCB green onion institute State second one side for just having waken up circuit board to extend, methods described includes：The first connection on the first flexible PCB will be arranged in Device is connected with the second connector being arranged on the 3rd rigid circuit board；The first connector is pressed on using the first support base On 3rd rigid circuit board；By first flexible PCB along first support base surface curvature；By described One rigid circuit board is fixed on first support base；The 3rd connector and arrangement that will be arranged on the second flexible PCB It is connected in the 4th connector on the 3rd rigid circuit board；The 3rd connector is pressed on using the second support base described On 3rd rigid circuit board；By second flexible PCB along second support base surface curvature；It is firm by described second Property circuit board is fixed on second support base；Second rigid circuit board is fixed on first support base；With And first rigid circuit board is fixed on second support base.

Method according to the fourth aspect of the invention, wherein the lower surface of first support base compresses first connection Device, and first rigid circuit board is placed in the first groove of the upper surface of first support base；Described second The lower surface for supportting seat compresses the 3rd connector, and second rigid circuit board is placed on the upper of second support base In first groove on surface；First rigid circuit board is positioned in the second groove of the upper surface of second support base, Second rigid circuit board is positioned in the first groove of the upper surface of first support base.

According to the fifth aspect of the invention, there is provided a kind of storage device, including first circuit board, second circuit board and Three-circuit plate；One or more memory chips are disposed with the first circuit board, one is disposed with the second circuit board Individual or multiple memory chips, controller and HPI are disposed with the tertiary circuit plate；The same institute of first circuit board State tertiary circuit plate to be coupled, the second circuit board is coupled with the tertiary circuit plate so that via the HPI One or more memory chips for being arranged on the first circuit board by the controller access and it is arranged in described One or more memory chips on second circuit board；The capacity of the memory chip on the first circuit board is described Two times of the capacity of the memory chip on two circuit boards.

Storage device according to the fifth aspect of the invention, wherein the first circuit board is by being arranged in the 3rd electricity The first connector on the plate of road is coupled to the tertiary circuit plate, and the second circuit board is by being arranged in the tertiary circuit plate On the second connector be coupled to the tertiary circuit plate.

Storage device according to the fifth aspect of the invention, wherein one or more pins of first connector are used for Transmission indicates the signal of the capacity of the memory chip on the first circuit board, and/or one of second connector or Multiple pins are used to transmit the signal of the capacity for indicating the memory chip on the second circuit board.

Storage device according to the fifth aspect of the invention, wherein the first circuit board is by being arranged in the 3rd electricity The first connector and the second connector on the plate of road are coupled to the tertiary circuit plate, and the second circuit board is by being arranged in The 3rd connector and the 4th connector stated on tertiary circuit plate are coupled to the tertiary circuit plate, wherein first connector Identical with the 3rd connector, second connector is identical with the 4th connector.

Storage device according to the fifth aspect of the invention, wherein first connector and/or second connector One or more pins be used to transmit the signal of the capacity for indicating the memory chip on the first circuit board, the described 3rd One or more pins of connector and/or the 4th connector are used to transmit the memory indicated on the second circuit board The signal of the capacity of chip.

Storage device according to the fifth aspect of the invention, also including the first flexible PCB and the second flexible PCB, First flexible PCB is used to for the first circuit board to be coupled to the tertiary circuit plate, second flexible PCB For the second circuit board to be coupled into the tertiary circuit plate.

Storage device according to the fifth aspect of the invention, wherein, the first circuit board have the first relative side and Second side；The second circuit board have relative the 3rd while and when the 4th；First flexible PCB has relative Five at the 6th, and the described 5th when the first of the first circuit board is coupled to；Second flexible PCB has relative The 7th at the 8th, the described 7th when the 3rd of the second circuit board is coupled to；It is coupled to described in 6th side First connector of three-circuit plate, the second connector of the tertiary circuit plate is coupled on the 8th side；6th side Width more than first side width, the described 8th while width be more than the described 3rd while width；The first circuit board The first side be located at the top of first connector, the 3rd side of the second circuit board is located at the upper of second connector Side；4th side of the second circuit board is located at the top of first connector, and the second side of the first circuit board is located at The top of second connector.

Storage device according to the fifth aspect of the invention, wherein, the 5th side is from the first of the first circuit board While extending；Described 7th extends while from the 3rd of the second circuit board.

Storage device according to the fifth aspect of the invention, also including the first support base and the second support base, described first Be fastened on first connector on 6th side of first flexible PCB by support base, and second support base will be described 8th side of the second flexible PCB is fastened on second connector；First circuit board described in the first support seat supports The first side, first support base also supports the 4th side of the second circuit board；The described in the second support seat supports Second side of one circuit board, second support base also supports the 3rd side of the second circuit board.

Storage device according to the fifth aspect of the invention, including multiple first circuit boards and/or multiple described the Two circuit boards.

Storage device according to the fifth aspect of the invention, one or more storages are disposed with the 4th circuit board Device chip, the 4th circuit board is coupled with the tertiary circuit plate so that via the HPI by the control Device accesses one or more memory chips being arranged on the 4th circuit board；Storage core on 4th circuit board The capacity of piece is the storage on two times of the capacity of the memory chip on the second circuit board, or the 4th circuit board The capacity of device chip is identical with the capacity of the memory chip on the second circuit board.

According to the sixth aspect of the invention, there is provided a kind of storage device, including first circuit board, second circuit board and Three-circuit plate；Multiple memory chips are disposed with the first circuit board, multiple storages are disposed with the second circuit board Device chip, controller and HPI are disposed with the tertiary circuit plate；The first circuit board is with the tertiary circuit plate It is coupled, the second circuit board is coupled with the tertiary circuit plate so that via the HPI by the control Device accesses the multiple memory chips being arranged on the first circuit board and the multiple being arranged on the second circuit board Memory chip；The multiple memory chip on the first circuit board is configured to first passage and second channel, described The memory chip of first passage including the first quantity, the second channel includes the memory chip of the second quantity, described the One quantity is different from second quantity.

Storage device according to the sixth aspect of the invention, wherein, third channel, institute are also included on the first circuit board Memory chip of the third channel including the 3rd quantity is stated, the 3rd quantity is different from first quantity.

Storage device according to the sixth aspect of the invention, wherein, the multiple memory on the second circuit board Chip is configured to fourth lane and Five-channel, and the fourth lane includes the memory chip of the 4th quantity, and the described 5th leads to Road includes the memory chip of the 5th quantity, and the 4th quantity is different from the 5th quantity.

Storage device according to the sixth aspect of the invention, wherein, the multiple memory on the second circuit board The quantity of chip is different from the quantity of the multiple memory chip on the first circuit board.

Storage device according to the sixth aspect of the invention, wherein, wherein the first circuit board is described by being arranged in The first connector on tertiary circuit plate is coupled to the tertiary circuit plate, and the second circuit board is by being arranged in the described 3rd The second connector on circuit board is coupled to the tertiary circuit plate；And first connector and the second connector phase Together so that the first circuit board can be coupled to the 3rd electricity by the second connector being arranged on the tertiary circuit plate Road plate, the second circuit board can be coupled to the tertiary circuit by the first connector being arranged on the tertiary circuit plate Plate.

Storage device according to the sixth aspect of the invention, wherein, one or more pins of first connector are used The signal of the quantity of the memory chip on the first circuit board is indicated in transmission；One or more of second connector Pin is used to transmit the signal of the quantity for indicating the memory chip on the second circuit board.

Storage device according to the sixth aspect of the invention, wherein, one or more pins of first connector are used The signal of the quantity of the memory chip having in each channel on the transmission instruction first circuit board；Described second connects Connecing one or more pins of device is used to transmit the memory chip for indicating each channel on the second circuit board to have Quantity signal.

Storage device according to the sixth aspect of the invention, wherein memory chip have identical memory capacity.

According to the seventh aspect of the invention, there is provided a kind of storage device, including controller, first memory passage and Two storage channels；The first memory passage is respectively coupled to the controller with the second memory passage；It is described First memory passage includes the memory chip of the first quantity, and the second memory passage includes the memory of the second quantity Chip, first quantity is different from second quantity.

Storage device according to the seventh aspect of the invention, wherein, the memory chip of first quantity is by shared The first bus be coupled to the controller, the memory chip of second quantity is coupled to institute by the second bus shared State controller.

Brief description of the drawings

When being read together with accompanying drawing, by reference to the detailed description of illustrative embodiment, will be best understood by below The present invention and preferred use pattern and its further objects and advantages, wherein accompanying drawing include：

Figure 1A, 1B are the solid state hard discs of the expansible capacity according to prior art；

Fig. 2 is the solid state hard disc including rigid PCB and flexible PCB according to prior art；

Fig. 3 is to include the electronic equipment of rigidity PCB and flexible PCB according to the another kind of prior art；

Fig. 4 is the front view of storage device according to an embodiment of the invention；

Fig. 5 A are the front views of the circuit daughter board of storage device according to an embodiment of the invention；

Fig. 5 B-5E are the side views of memory circuit daughter board according to an embodiment of the invention；

Fig. 5 F-5J are the flash chip and control circuit of the circuit daughter board of storage device according to an embodiment of the invention The schematic diagram of connected mode；

Fig. 6 A show the side-looking of the connected mode of the daughter board of storage device according to an embodiment of the invention and motherboard Figure；

Fig. 6 B show the daughter board of storage device according to an embodiment of the invention and another connected mode of motherboard Side view；

Fig. 7 shows the daughter board of storage device according to an embodiment of the invention and the connected mode of flexible PCB Front view；

Fig. 8 is another front view of storage device according to an embodiment of the invention；

Fig. 9 is the stereogram of storage device according to an embodiment of the invention；

Figure 10 is the top view of storage device according to an embodiment of the invention；

Figure 11 A, 11B, 11C are the stereograms of the support base for storage device according to an embodiment of the invention；

Figure 12 is another stereogram of storage device according to an embodiment of the invention；

Figure 13 is the front view of storage device according to another embodiment of the present invention；And

Figure 14 is the front view of storage device according to still another embodiment of the invention.

Specific embodiment

Fig. 4 is the front view of storage device according to an embodiment of the invention.Storage device shown in Fig. 4 includes that circuit is female Plate 400.Circuit motherboard 400 is the circuit board with the card forms high of PCIE half, and it can be connected to computer by PCIE slots. Circuit daughter board 410,420 and 430 is disposed with circuit motherboard 400.In one embodiment, on circuit daughter board 410,420 and 430 It is respectively disposed with flash chip 411-413,421-423 and 431-433 so that circuit daughter board 410,420,430 is to shown in Fig. 4 Storage device provide memory capacity.Flash controller (not shown) is there also is provided on circuit motherboard 400, is used to control to electricity The access of the flash chip on way plate 410,420 and 430, and process the interface command from computer.Although showing in fig. 4 Go out the storage device with PCIE interfaces including flash chip, but one of ordinary skill in the art will be, it is realized that it be only one Citing is planted, the various electronic with other functions is present invention can be suitably applied to, and can be coupled to by multiple interfaces mode Computer, multiple interfaces include but is not limited to SATA (Serial Advanced Technology Attachment, serial height Level Technical Appendix), USB (Universal Serial Bus, USB), PCIE (Peripheral Component Interconnect Express, quick peripheral assembly interconnecting), SCSI (Small Computer System Interfac e, Small computer system interface), IDE (Integrated Drive Electronics, integrated drive electronics) etc..Also, It is suitable for the other kinds of storage chip beyond including flash memory, for example, phase transition storage, Memister, iron Electrical storage etc..

As shown in figure 4, circuit daughter board 410 and 420 is arranged with opposite directions, circuit daughter board 410 with 430 with identical Direction arrangement.So that more flash chips can be arranged on the circuit motherboard 400 with specific dimensions.Also, electricity Way plate 410,420 and 430 has identical appearance and size and identical interface so that circuit daughter board 410, between 420 and 430 Can be with substituted for one another, it would however also be possible to employ other circuit daughter board replacement circuit daughter boards 410,420 and 430.

Fig. 5 A are the front views of the daughter board of the storage device for implementing embodiments of the invention.It is shown more clearly by Fig. 5 A Circuit subcard 410 in Fig. 4.Circuit subcard 420 and 430 can have with the identical physical aspect of circuit subcard 410, but can have There is the memory capacity identical or different with circuit subcard 410.In preferred example, the memory capacity of circuit subcard 420 is electricity Two times of way card 410.Flash chip 411,412 and 413 is disposed with circuit subcard 410.In one example, in circuit The unshowned one side of subcard 410, is also disposed with flash chip.Flash chip 411,412 can be with identical capacity with 413 Flash chip, or the flash chip with different capabilities.Flash chip on circuit subcard 410 can be organized as many Individual passage, includes the flash chip of two or other quantity on each passage.Each passage is parallel, can be simultaneously to electricity Road motherboard 400 transmits data or receives data from circuit motherboard 400.Can also be arranged with other quantity on circuit subcard 410 Multiple flash chips.

In the case where that can accommodate flash chip 411,412 and/or 413, the size of circuit subcard 410 is set must try one's best It is small, so that greater number of circuit subcard can be arranged on circuit motherboard 400, so as to improve the capacity of storage device.Due to can Polylith circuit subcard 410,420 and/or 430 is arranged on circuit motherboard, and circuit subcard 410,420 and 430 can have that This different capacity, thus, storage device can have the combination of various different memory capacity.Referring to table 1, when circuit subcard 410th, 420 and 430 when can have 192GB (Giga Byte) and two kinds of memory capacity of 394GB, and when can be in circuit motherboard 400 During most 6 pieces of circuit subcards 410,420 or 430 of upper arrangement, the storage device with various different memory sizes can be obtained.Although Shown in table 1 including 4 pieces to the 6 pieces configurations of the storage device of circuit subcard, but it is also possible on circuit motherboard 400 1 piece of -3 pieces of circuit subcard of arrangement, to provide more different memory capacity.

The storage device memory capacity table of table 1

Thus, by providing two kinds of circuit subcards of different memory sizes, the storage with various different capabilities has been obtained Equipment, can meet the demand of various different occasions.

Also, due to circuit subcard 410,420 and 430 have identical physical aspect, thus circuit subcard 410,420 with 430 installation on circuit motherboard 400 is interchangeable, so as to simplify the process of installation, also, when multiple circuit subcards it During one failure, it is also possible to easily change.And, by with more Large Copacity and/or higher performance (access speed, reliability Property etc.) circuit subcard replacement circuit motherboard 400 on existing circuit subcard, be easily achieved to the renewal of storage device or Upgrading.

One of ordinary skill in the art are by, it is realized that the circuit with three or more different memory sizes can also be provided Subcard, so as to the storage device with more kinds of memory capacity can be provided.For example, referring to table 2, can cloth on circuit daughter board 410 The storage chip (for example, 3-6 storage chip) of varying number is put, so that, there is 64GB memory capacity in each storage chip In the case of, it is possible to provide the circuit subcard with 192GB, 256GB, 320GB and 384GB memory capacity respectively.And pass through to carry For various circuit subcards with different memory sizes, the storage device with more kinds of different memory sizes can be obtained.Obviously, If each storage chip on circuit daughter board 410 has different memory capacity, can provide with further it is various not The storage device of same memory capacity combination.

The circuit subcard memory capacity table of table 2

Chip capacity	Number of chips	Subcard capacity
			64GB	3	192GB
64GB	4	256GB
			64GB	5	320GB
64GB	6	384GB

Fig. 5 B-5E are the side views of the circuit daughter board 410 of the storage device for implementing embodiments of the invention.In figure 5b, Storage chip 411,412,413,414,415 and 416 is disposed with circuit daughter board 410.When each storage chip provides 64GB During memory capacity, the circuit daughter board in Fig. 5 B can provide the memory capacity of 384GB.In figure 5 c, it is disposed with circuit daughter board 410 Storage chip 411,412,413,414 and 415.When each storage chip provides 64GB memory capacity, the circuit in Fig. 5 C Daughter board can provide the memory capacity of 320GB.In figure 5d, be disposed with circuit daughter board 410 storage chip 411,412,413 and 414.When each storage chip provides 64GB memory capacity, the circuit daughter board in Fig. 5 D can provide the memory capacity of 256GB. In Fig. 5 E, storage chip 411,412 and 413 is disposed with circuit daughter board 410.Hold when each storage chip provides 64GB storages During amount, the circuit daughter board in Fig. 5 E can provide the memory capacity of 192GB.

With continued reference to Fig. 5 F-5J, Fig. 5 F-5J are the circuit daughter boards 410 of storage device according to an embodiment of the invention The schematic diagram of the connected mode of flash chip and control circuit 660.In order to promote the concurrency of the operation of multiple flash chips, with And the I/O resource of the control circuit 660 required for saving the multiple flash chips of control, by the multiple flash memory cores on circuit daughter board 410 Piece is arranged in multiple passages.Multiple flash chips are disposed with each passage, the multiple flash chips in each passage are total to With data and/or controlling bus, and in order to access each flash chip, multiple flash chips in each passage (and/ Or tube core) chip enable (Chip Enable, CE) port, can be individually controlled by control circuit 660.

Referring to Fig. 5 F, 3 passages are disposed with circuit daughter board 410.Flash chip 411,414 is included in first passage, And control circuit 660 is coupled to by the bus 490 for sharing.Control circuit 660 can independently control flash chip 411,414 CE ports.Flash chip 412,415 is included in the second channel, and is coupled to control circuit by the bus 492 for sharing 660.Control circuit 660 can independently control the CE ports of flash chip 412,415.Flash chip 413,416 is included in In triple channel, and control circuit 660 is coupled to by the bus 494 for sharing.Control circuit 660 can independently control flash memory core The CE ports of piece 413,416.

Alternatively, there can be the flash chip of other quantity on each passage.Referring to Fig. 5 G, flash chip 411,412 with 413 are included in first passage, and are coupled to control circuit 660 by the bus 490 for sharing.Control circuit 660 can be independent The CE ports of ground control flash chip 411,412 and 413.Flash chip 414,415 and 416 is included in the second channel, and leads to Cross shared bus 494 and be coupled to control circuit 660.Control circuit 660 can independently control flash chip 414,415 with 416 CE ports.

Still alternatively, there can be the flash chip of varying number on each passage.Referring to Fig. 5 H, flash chip 411, 414 are included in first passage, and are coupled to control circuit 660 by the bus 490 for sharing.Control circuit 660 can be independent The CE ports of ground control flash chip 411,414.Flash chip 412,415 include in the second channel, and by share it is total Line 492 is coupled to control circuit 660.Control circuit 660 can independently control the CE ports of flash chip 412,415.Flash memory Chip 413 is included in third channel, and is coupled to control circuit 660 by bus 494.Control circuit 660 can control to dodge Deposit the CE ports of chip 413.Notice that in fig. 5h, without flash chip 416 is provided, it corresponds to the example for providing in figure 5 c Son.Again it was noticed that in fig. 5h, in first passage and second channel, 2 flash chips are disposed with, and in third channel, Only it is disposed with 1 flash chip, i.e. the flash chip with varying number on each passage.Although it is pointed out that every Flash chip with varying number on individual passage, but memory capacity on each passage can be the same or different.Work as figure When flash chip 411-415 in 5H has identical memory capacity, the memory capacity on third channel is depositing for first passage Store up the half of capacity.Flash chip 413 can also be provided so that its memory capacity is flash chip 411,412,414 or 415 Two times, so that the memory capacity on each passage is identical.

Although still it is pointed out that in the embodiment of Fig. 5 H, not including flash chip 416, in phase therewith In the circuit daughter board 410 of corresponding Fig. 5 C, it is preferable that provide and arranged with the identical interface of circuit daughter board 410 of Fig. 5 B.Though that is, So in the circuit daughter board 410 of Fig. 5 C, it is not necessary to provide the lead of the CE ports for being coupled to flash chip 416 in the interface, but it is It is favourable that various different circuit daughter boards provide identical interface arrangement, and this will be allowed on the connector of circuit motherboard 400 The different circuit daughter board of coupling, so as to improve the flexibility of storage device, and simplifies the installation process of storage device 400, because It is that the circuit daughter board 410 with particular memory capacity or flash chip quantity is not limited to be arranged on specific motherboard connector.

In one embodiment, in the interface of circuit daughter board 410, there is provided 3 leads, every lead is transmitted by it 1 flash chip or 2 sudden strains of a muscle are disposed with a passage in electric signal instruction first passage, second channel and third channel Deposit chip.One of ordinary skill in the art may also be appreciated that the mode of the configuration of other indicating circuit daughter boards 410.For example, in electricity In the interface of way plate 410, there is provided 2 leads, it can transmit " 00 ", " 01 ", " 10 " and " 11 " four kinds of different states, A kind of particular configuration of each condition indication circuit daughter board 410.Indicated by service wire, can also be on circuit daughter board 410 Storage chip quantity, or on circuit daughter board 410 provide memory capacity.

Referring to Fig. 5 I, flash chip 411,414 is included in first passage, and is coupled to control by the bus 490 for sharing Circuit processed 660.Control circuit 660 can independently control the CE ports of flash chip 411,414.Flash chip 412 is included in In second channel, and control circuit 660 is coupled to by bus 492.Control circuit 660 can control the CE of flash chip 412 Port.Flash chip 413 is included in third channel, and is coupled to control circuit 660 by bus 494.Control circuit 660 can To control the CE ports of flash chip 413.Notice that in fig. 5h, without flash chip 415 and 416 is provided, it corresponds to The example provided in Fig. 5 D.

Referring to Fig. 5 J, flash chip 411 is included in first passage, and is coupled to control circuit 660 by bus 490. Control circuit 660 can independently control the CE ports of flash chip 411.Flash chip 412 is included in the second channel, and leads to Cross bus 492 and be coupled to control circuit 660.Control circuit 660 can independently control the CE ports of flash chip 412.Flash memory Chip 413 is included in third channel, and is coupled to control circuit 660 by bus 494.Control circuit 660 can be independently Control the CE ports of flash chip 413.Notice that in fig. 5j, without flash chip 414,415 and 416 is provided, it corresponds to The example provided in Fig. 5 E.

Fig. 6 A show the circuit daughter board of storage device according to an embodiment of the invention and the connected mode of circuit motherboard Side view.Flash chip 411,412 and 413 is disposed with circuit daughter board 410.With flash chip on circuit daughter board 410 411st, 412 side relative with 413, can also be disposed with one or more flash chips.Connection is disposed with circuit motherboard 400 Device 510,520, is respectively connected with for same connector 530 and 540, so as to circuit daughter board 410 is coupled into circuit motherboard 400. Connector 530 and 540 is respectively arranged in one end of flexible PCB 550 and 560, the other end of flexible PCB 550,560 from Extend on the relative both sides of circuit daughter board 410.Flexible PCB 550 and 560, can with circuit daughter board 410 in time processing shape Into.Due to being connected respectively to connector 510,520 by connector 530,540, thus each connector 530 and 540 is transmitted Holding wire can be the desired signal line of access circuit daughter board 410 half quantity so that, the size of connector 530 and 540 can With smaller, to reduce the space occupied on circuit motherboard 400.Due to being connected circuit with 540 by connector 510,520,530 Motherboard 400 and circuit daughter board 410 so that circuit daughter board 410 is replaceable.

As an example, it is also possible to do not use connector 510,520,530 with 540 to couple flexible PCB 550 and 560, But open area is set on circuit motherboard 400, and cause 550,560 opening from circuit motherboard 400 of flexible PCB Extend in region.Or, flexible PCB 550,560 is each extended over out from the relative both sides of circuit motherboard 400, and it is soft Property circuit board 550,560 and circuit motherboard 400 formed in time processing.

Still as an example, flexible PCB 550,560 also can be connected to circuit daughter board 410 by connector.And in electricity The relative both sides of way card 410 are also provided with connector, for connecting flexible PCB 550,560.

Fig. 6 B show that the circuit daughter board of storage device according to an embodiment of the invention connects with the another of circuit motherboard Connect the side view of mode.Flash chip 411,412 and 413 is disposed with circuit daughter board 410.With sudden strain of a muscle on circuit daughter board 410 The side relative with 413 of chip 411,412 is deposited, one or more flash chips can be also disposed with.With sudden strain of a muscle on circuit daughter board 410 The side relative with 413 of chip 411,412 is deposited, one or more flash chips can be also disposed with.Arranged on circuit motherboard 400 There is connector 620, be connected for same connector 630, so as to circuit daughter board 410 is coupled into circuit motherboard 400.Connector 630 one end for being arranged in flexible PCB 640, the other end of flexible PCB 640 extends from the relative both sides of circuit daughter board 410 Go out.Flexible PCB 640, can form with circuit daughter board 410 in time processing.Due to being connected to connection by connector 630 Device 620, thus the holding wire that is transmitted of connector 630 can be the entire quantity of the desired signal line of access circuit daughter board 410, from And, it is desirable to provide the connector 630 and 620 of large-size.In a preferred embodiment, for provide flexible PCB 640 with Being reliably connected between circuit motherboard 400, and the size of connector 630 is set larger than flexible PCB 640 from circuit Block the length of 410 connections.In the case, flexible PCB 640 is trapezoidal, will be further described in the figure 7.Though So connect circuit daughter board 410 using single connector 630 needs larger sized connector with circuit motherboard 400, but being capable of band Come the convenience installed, because need to only carry out once mounting operation, it is possible to which circuit subcard 410 is connected into circuit motherboard 400, And there is no one end of connector on circuit subcard 410 for installation operation provides space.

As an example, it is also possible to open area is set on circuit motherboard 400, and causes flexible PCB 640 from circuit Extend open area on motherboard 400.Or, flexible PCB 640 is prolonged respectively from the relative both sides of circuit motherboard 400 Stretch out, and flexible PCB 640 is formed with circuit motherboard 400 in time processing.

Still as an example, flexible PCB 640 also can be connected to circuit daughter board 410 by connector.And in circuit Connector is also provided with card 410, for connecting flexible PCB 640.

In order to improve the space availability ratio of circuit motherboard 400, connector 620 is arranged adjacent to the one of circuit motherboard 400 Side.And cause that circuit subcard 410 is placed perpendicular to the side.

Fig. 7 shows the circuit daughter board 410 and flexible PCB 640 of storage device according to an embodiment of the invention The front view of connected mode.Flash chip 411,412 and 413 is disposed with circuit daughter board 410.Flexible PCB 640 has Relative side 681 and 682.Extend from one side of circuit daughter board 410 on one side 681 of flexible PCB 640.In flexible PCB 640 with when 681 is relative 682 on be disposed with connector 630, be connected for same circuit motherboard 400.Due to connector 630 holding wires for being transmitted can be the whole holding wires needed for access circuit daughter board 410, thus when 682 length is more than 681 length, so that can accommodate sufficient amount of holding wire in connector 630, and ensures flexible PCB 640 and circuit The connection reliability of motherboard 400.

It is also noted that in the figure 7, from flexible PCB 640 and circuit subcard that one side of circuit subcard 410 is extended 410 form a plane, and connector 630 and flash chip 411,412 and/or 413 are in the same side of the plane.Join herein Fig. 6 B are seen, when flexible PCB 640 is connected into circuit motherboard 400, flexible circuit plate benging so that the direction of connector 630 Circuit motherboard 400, and dorsad circuit motherboard 400 of flash chip 411,412 and/or 413.In fig. 8, this will further be retouched State.

Circuit daughter board 410 can have various memory capacity.Set by flexible PCB 640 and connector 630 The wiring of circuit motherboard 400 is connected to, with to the memory capacity of the controller indicating circuit daughter board 410 on circuit motherboard.Work as electricity Way plate 410 has two kinds of different memory capacity, and such as one of 192GB and 384GB can be set a wiring, by should High level or low level are coupled in wiring on circuit daughter board 410, to the controller indicating circuit daughter board on circuit main board 400 410 memory capacity is 192GB or 384GB.The storage for carrying out indicating circuit daughter board 410 more than a wiring can also be retained to hold Amount.In another example, circuit daughter board 410 encodes storage capacity information thereon, and the information transmission after coding is given Controller on circuit motherboard 400.In still another example, the control circuit on circuit motherboard 400 may have access to flash memory core Piece 411,412 and 413, to obtain the memory capacity of each flash chip, so as to obtain the memory capacity of circuit daughter board 410.Institute Category art personnel would also recognize that, in the connected mode of circuit daughter board 410 as shown in Figure 6A and circuit motherboard 400, Also wiring can be provided in connector 530 and/or 540, with to the memory capacity of the indicating circuit daughter board 410 of circuit motherboard 400, and So that there is identical appearance and size and wiring to arrange for connector 530 and connector 540.

Fig. 8 is another front view of storage device according to an embodiment of the invention.Circuit daughter board 410 is shown in Fig. 8 It is connected on circuit motherboard 400 by flexible PCB 640 and the connector 630 being arranged on flexible PCB 640.Need to refer to Go out, in fig. 8, connector 630 is towards circuit daughter board 400, and dorsad circuit motherboard 400 of flash chip 411,412 and/or 413. Connector 630 is connected to the connector (not shown) on the one side for being arranged in circuit motherboard.In a preferred embodiment, connector 630 one side more long for being arranged in circuit motherboard 400, and circuit daughter board 410 is perpendicular to the longer sides of circuit motherboard 400.So that can The parallel arranged multiple circuit daughter board 410 on circuit motherboard 400.Flexible PCB 640 bends so that it is while from circuit daughter board 410 one side is extended, and connector 630 is towards circuit motherboard 400, and is connected to circuit motherboard 400.In flexible PCB 640 in unbent condition when, connector 630 and flash chip 411,412 and/or 413 are towards the same side.In Fig. 8, circuit Plate 410 is parallel with circuit motherboard 400, and circuit daughter board 410 is spatially separated from each other with circuit motherboard 400.In circuit daughter board Space between 410 and circuit motherboard 400 can be used for the installation of circuit daughter board 410.By the space, can be to connector 630 Back side applying power, so as to connector 630 is installed on the connector on circuit motherboard 400.

It can further be seen that the length of connector 630 is more than one side of circuit daughter board 410, flexible PCB 640 from Fig. 8 Extend from the side.That is, the length on one side of the connection circuit of flexible PCB 640 daughter board 410, arranges less than on flexible PCB The length on one side of connector 630.

Fig. 9 is the stereogram of storage device according to an embodiment of the invention.Circuit daughter board 410 and 420 is shown in Fig. 9 Can be connected on circuit motherboard 400 by the (not shown) of flexible PCB 640 and flexible PCB 642.On circuit daughter board 410 Flash chip 411,412 and 413 is disposed with, flash chip 421,422 and 423 is disposed with circuit daughter board 420.Circuit daughter board 410th, 420 one or more flash chips can also be disposed with towards the side of circuit motherboard 400.Connector 630 is arranged in soft On property circuit board 640, and can be connected with the connector 620 being arranged on circuit motherboard.Connector 632 is arranged in flexible circuit On plate 642, and can be connected with the connector 622 being arranged on circuit motherboard.Preferably, flexible PCB 642 is and flexibility The identical flexible PCB of circuit board 640, and connector 632 is identical with connector 630, connector 622 and the phase of connector 620 Together, so that circuit daughter board 410 is convertibly connected to circuit motherboard 400 with circuit daughter board 420.

When circuit daughter board 420 is connected to connector 622 by connector 632, and circuit daughter board 410 passes through connector 630 When being connected to connector 620, the side 415 of circuit daughter board 410 is positioned at the top of connector 632, and the side 425 of circuit daughter board 420 Positioned at the top of connector 630.The (not shown) of flexible PCB 640 prolongs from circuit daughter board 410 with when 415 is relative 417 Stretch out, and flexible PCB 642 extends from circuit daughter board 420 with when 425 is relative 427.In this way, although connection The length of device 630,632 more than circuit daughter board 410 while 417 with circuit daughter board 420 while 427, but due to connector 630 with Shared by circuit daughter board 410 and 420 in space corresponding to 632 so that more circuits can be arranged on circuit motherboard 400 Card.

Also, when circuit daughter board 410,420 is installed on circuit motherboard 400, due to flexible PCB 640 and 642 Un-flexed state is can be at, such that it is able to easily to the back side applying power of connector 630 and 632, be connected respectively to Connector 620 and 622.Next, flexible flexible PCB 640 and 642, makes circuit daughter board 410 and 420 and circuit motherboard 400 is parallel, so as to reduce the space occupied by the storage device being made up of circuit motherboard and circuit daughter board 410,420.

Because circuit daughter board 410 is parallel to each other and relative from beginning to end with 420, and the sky that shared connector 630 and 632 is formed Between, thus circuit daughter board 410 and 420 can be regarded as a circuit daughter board group.

Figure 10 is the top view of storage device according to an embodiment of the invention.In fig. 10 it is shown that circuit daughter board 410th, 420 and 430, circuit daughter board 430 can be the circuit daughter board for having same physical profile with circuit daughter board 410,420, but With with the identical or different memory capacity of circuit daughter board 410,420.Circuit daughter board 410 is via flexible PCB 640, connector 630th, connector 620 is connected to circuit motherboard 400.Circuit daughter board 430 is via flexible PCB 644, connector 634, connector 624 are connected to circuit motherboard 400.Connector 634 is arranged on flexible PCB 644, and connector 624 is arranged in circuit motherboard On 400.Preferably, connector 620 and 624 is placed on the same line along the side long of circuit motherboard 400.The side of circuit daughter board 410 417th, circuit daughter board 420 while 425 with circuit daughter board 430 while 437, be placed on basic same straight line.As shown in Figure 10, Because flexible PCB 640 is trapezoidal, i.e., the length of connector 630 is more than the length on side 417 so that the side of circuit subcard 420 425 lower sections that can be located at connector 630, and are separated with connector 630, and while 425 with while 417 in basic with always On line.

Circuit daughter board 410 constitutes a circuit daughter board group with circuit daughter board 420.In a preferred embodiment, by shared Support base, circuit daughter board group is fixed to circuit motherboard 400, asked with the brought reliability of rocking reduced because of circuit daughter board Topic.Be will be further described in Figure 11 A, 11B, 11C and 12.And, one of ordinary skill in the art will be, it is realized that do not make The work of storage device is will not impact with support base.Circuit daughter board 430 can constitute electricity with another circuit daughter board (not shown) Way plate group.

As an example, although it can also be seen that the length of the length more than side 417 of connector 630, small from Figure 10 In while 417 with while 425 length sum so that the length of connector 630 is adapted to ensure that the reliability of connection and with smaller Size, to reduce the manufacturing cost of connector 630.

Figure 11 A, 11B, 11C are the stereograms of the support base 1100 for storage device according to an embodiment of the invention. Support base 1100 includes side wall 1110,1112, and side wall 1110 is oppositely arranged with 1112, and parallel to each other, for coupling support base 1100 with circuit motherboard 400.In one example, screw is provided with side wall 1110 and 1112, further will with by bolt Support base is fixed on motherboard 400.Support base also includes plate 1120.Plate 1120 is vertical coupled between side wall 1110 and 1112.Plate 1120 may be integrally formed with side wall 1110,1120.Plate 1120 has relative first surface 1122 and second surface 1124.First Dorsad circuit motherboard 400 of surface 1122, and for supporting two pieces of circuit daughter boards, second surface 1124 towards circuit motherboard 400, and For compressing the connector being arranged on flexible PCB.There is projection 1132 on the direction of first surface 1122, using In split two circuit daughter boards, and limiting circuit daughter board movement.Second is upwardly formed in the side parallel to first surface 1122 Projection 1134.Will be described with fig. 12 between support base 1100, circuit daughter board 410,420 and circuit motherboard 400 Coupled relation.Although describing the support base 1100 with ad hoc structure, art technology above in conjunction with Figure 11 A, 11B, 11C Personnel will readily appreciate that using support base or like with other structures to provide circuit daughter board 410 and/or 420 Being reliably connected between circuit motherboard 400.

Figure 12 is another stereogram of storage device according to an embodiment of the invention.Set with the storage shown in Fig. 9 It is standby to compare, support base 1100 and 1200 has also been gone out in fig. 12.In fig. 12, for purposes of clarity, support base 1100 is shown Go out in the lower section of connector 632, support base 1200 is shown in the lower section of connector 630.And when mounted, and after mounting Storage device in, support base 1100 is used to for connector 632 to be pressed on connector 622, and support base 1200 be used for will be even Device 630 is connect to be pressed on connector 620.

In installation process, connector 632 is connected with connector 622.Then, support base 1100 is placed on connection The back side of device 632, and the second surface 1124 of the plate 1120 of support base is compressed connector 632.In one example, may be used also By bolt, two side walls of support base 1100 are fixed on circuit motherboard 400.With support base 1100 analogously, prop up Be pressed on connector 630 on connector 620 by support seat 1200.

Hung down with first surface 1122 (referring to Figure 11 A, 11B and 11C) and second surface 1124 in the face 1229 of support base 1100 Directly, and positioned at the direction opposite with projection 1134 (referring to Figure 11 A, 11B and 11C).

The plate 1120 of support base 1100 be used to filling connector 632, flexible PCB 642 and circuit daughter board 410,420 it Between space, and support circuit daughter board 410 and 420.Plate 1120 is divided into groove 1217 and 1218 by projection 1132.By support base After 1100 are pressed on connector 632, flexible PCB 642 is bent along face 1229, and by the close side of circuit subcard 420 427 side is placed on the groove 1218 of support base 1100.Groove 1218 is set and causes that circuit subcard 420 is placed on groove 1218 just In, and by the movement of projection 1132 and the side wall limiting circuit subcard 420 of support base 1100.

Similarly, after support base 1200 is pressed on connector 630, bending flexible PCB 640 (does not show in Figure 12 Go out), the side on the close side 417 of circuit daughter board 410 is placed on the first surface of support base 1200.And make circuit daughter board 420 The side on close side 425 be placed on the first surface of support base 1200, and the second surface of support base 1200 is used for the company of compression Connect device 630.And the side on the close side 415 of circuit subcard 410 is placed on the groove 1217 of support base 1100.Groove is set 1217 cause that circuit subcard 410 is placed in groove 1217 just, and are limited by another side wall of projection 1132 and support base 1100 The movement of circuit subcard 410.

Support base 1100,1200 limits circuit subcard 410,420 in the shifting on the direction of circuit motherboard 400 It is dynamic, thus improve the reliability of storage device.In a preferred embodiment, circuit daughter board 410 and 420 is passed through by screw also It is fixed on support base 1100 by projection 1134.In a similar way, circuit daughter board 410 and 420 is fixed on support base 1200 On.

Figure 13 is the front view of storage device according to another embodiment of the present invention.Storage device shown in Figure 13 includes Circuit motherboard 400.Circuit motherboard 400 is the circuit board with the card forms high of PCIE half, and it can be connected to by PCIE slots Computer.Circuit daughter board 410,420,430 and 440 is disposed with circuit motherboard 400.In one embodiment, circuit daughter board 410th, flash chip 411-413,421-423,431-433 and 441-443 are respectively disposed with 420,430 and 440 so that electricity Way plate 410,420,430 and 440 provides memory capacity to the storage device shown in Figure 13.Although figure 13 illustrates in electricity Three pieces of flash chips are placed in each of way plate 410-440, one of ordinary skill in the art will recognize can also be in circuit On plate 410-440 place other quantity flash chip, for example, on circuit daughter board 410 with where flash chip 411-413 Flash chip is placed on relative surface in surface.Control circuit 660 is there also is provided on circuit motherboard 400, is used to control to electricity The access of the flash chip on way plate 410,420,430 and 440, and process the interface command from computer.Circuit motherboard The storage of such as DRAM (Dynamic Random Access Memory, dynamic RAM) is there also is provided on 400 Device 662,664,666 and 668.Memory 662,664,666 and 668 can be coupled to control circuit 660.Control circuit 660 can be with It is FPGA (Field-programmable gate array, field programmable gate array), ASIC (Application Specific Integrated Circuit, application specific integrated circuit) or its combination form.Control circuit 660 also may be used With including processor or controller.One, two or more processor cores, each processor are may include in control circuit 600 Core is used to control or access the part or all of of multiple circuit subcards.Each processor core can also be used for accessing or controlling circuit Multiple flash chips on card it is part or all of.

Connector 628 and 629 is there also is provided on circuit motherboard 400 as shown in fig. 13 that.By connector 628 and 629 also Circuit subcard can will be connected to circuit motherboard 400 respectively.So as to have the card forms high of PCIE half as shown in fig. 13 that On circuit motherboard 400, up to 6 pieces circuit subcards can be connected.It is female that circuit subcard 410 is connected to circuit by flexible PCB 640 Plate 400.Circuit subcard 420 is connected to circuit motherboard 400 by flexible PCB 642.Circuit subcard 430 passes through flexible PCB 644 are connected to circuit motherboard 400.Circuit subcard 440 is connected to circuit motherboard 400 by flexible PCB 646.With the side being similar to Formula, circuit subcard is connected to circuit motherboard 400 also by flexible PCB via connector 628 or 629.

Multiple circuit subcard placements parallel to each other on circuit motherboard 400.The edge circuit motherboard long of multiple circuit subcards 400 short side is placed, and the short side of multiple circuit subcards is placed along the side long of circuit motherboard 400.The short side of multiple circuit subcards is big Placed along same straight line on body.Circuit subcard 410 is relative with 420 head and the tail, and the sky that shared flexible PCB 640,642 is formed Between, so as to form circuit subcard group.Circuit subcard 430 is relative with 440 head and the tail, and the shared formation of flexible PCB 644,646 Space, so as to form circuit subcard group.Similarly, also head and the tail are relative to be connected to circuit subcard of the connector 628 with 629, and shape Into circuit subcard group.There can be space between multiple circuit subcards and circuit motherboard, other electronics unit can be arranged within this space Part.

In a preferred embodiment, heat abstractor is also provided, for by the flash chip on multiple circuit subcards and/or control Heat transfer produced by circuit processed 660 and/or memory 662,664,666 and 668 is to outside storage device.

Figure 14 is the front view of storage device according to still another embodiment of the invention.Storage device shown in Figure 14 includes Circuit motherboard 400.Circuit motherboard 400 is the circuit board with PCIE overall height card forms, and it can be connected to by PCIE slots Computer.Circuit daughter board 410,420,430,440,450,460,470 and 480 is disposed with circuit motherboard 400.In an implementation In example, flash chip 411-413,421-423,431-433,441-443,451- are respectively disposed with circuit daughter board 410-480 453rd, 461-463,471-473 and 481-483 so that circuit daughter board 410-480 is provided to the storage device shown in Figure 14 and deposited Storage capacity.Each of circuit daughter board 410-480 is connected to circuit motherboard 400 by flexible PCB, especially, is connected to circuit Connector on motherboard 400.Circuit daughter board 410-480 is placed as two rows, four row.The length of each of circuit daughter board 410-480 The short side direction of edge circuit motherboard 400 is placed, and the short side of each of circuit daughter board 410-480, along the length of circuit motherboard 400 Place in the direction on side.

Long side of the circuit daughter board 410 with 420 is parallel to each other and adjacent, and circuit daughter board 410 is relative with 420 head and the tail, constitutes Circuit daughter board group.Long side of the circuit daughter board 430 with 440 is parallel to each other and adjacent, and circuit daughter board 430 is relative with 440 head and the tail, structure Into circuit daughter board group.Long side of the circuit daughter board 450 with 460 is parallel to each other and adjacent, and circuit daughter board 450 is relative with 460 head and the tail, Constitute circuit daughter board group.Long side of the circuit daughter board 470 with 480 is parallel to each other and adjacent, and circuit daughter board 470 and 480 head and the tail phases It is right, constitute circuit daughter board group.In with PCIE overall height card forms circuit motherboard 400, in the long side direction of circuit motherboard 400, Up to 6 circuit daughter boards can be arranged, and in the short side direction of circuit motherboard 400, up to 2 circuit daughter boards can be arranged.

Connector 628,629,688 and 689 is there also is provided on circuit motherboard 400 as shown in figure 14.By connector 628th, 629,688 and 689 circuit subcard can also will be connected to circuit motherboard 400 respectively.So as in having as shown at 14 On the circuit motherboard 400 of the card forms high of PCIE half, up to 12 pieces circuit subcards can be connected.

Control circuit 660,670 is there also is provided on circuit motherboard 400, is used to control on circuit daughter board 410-480 The access of flash chip, and process the interface command from computer.The storage of such as DRAM is there also is provided on circuit motherboard 400 Device 662,664,666,668,672,674,676 and 678.Memory 662-668 and 672-678 can be respectively coupled to control Circuit 660,670, can also share between circuit 660,670 is controlled.Control circuit 660,670 can be FPGA, ASIC or The form of its combination.Control circuit 660,670 can also include processor or controller.It is every in control circuit 660,670 It is individual for controlling or accessing the part or all of of multiple circuit subcards, for example, control circuit 660 be used for control or access circuit son Card 410-440, and circuit 670 is controlled for accessing or controlling circuit subcard 450-480.Control circuit 660,670 can also be used for Access or control the part or all of of the multiple flash chips on circuit subcard.

In a preferred embodiment, heat abstractor is also provided, for by the flash chip on multiple circuit subcards and/or control Heat transfer produced by circuit processed 660,670 and/or memory 662-668,672-678 is to outside storage device.

The description of this invention is presented for the purpose for showing and describing, and is not intended to disclosed shape Formula limit or the limitation present invention.To one of ordinary skill in the art, many adjustment and change are obvious.

Claims (8)

1. a kind of storage device, including first circuit board, second circuit board and tertiary circuit plate；

One or more memory chips are disposed with the first circuit board, one or many is disposed with the second circuit board Individual memory chip, controller and HPI are disposed with the tertiary circuit plate；

The first circuit board is coupled with the tertiary circuit plate, and the second circuit board is with the tertiary circuit plate phase coupling Close so that via the HPI, by the way that the controller access is arranged on the first circuit board, one or more are deposited Memory chip and one or more memory chips being arranged on the second circuit board；

The storage device also includes the first flexible PCB and the second flexible PCB, and first flexible PCB is used for will The first circuit board is coupled to the tertiary circuit plate, and second flexible PCB is used for second circuit board coupling To the tertiary circuit plate；

The first circuit board have relative first while and when second；

The second circuit board have relative the 3rd while and when the 4th；

First flexible PCB has relative the 5th at the 6th, and the first circuit board is coupled on the 5th side First side；

Second flexible PCB has relative the 7th at the 8th, and the second circuit board is coupled on the 7th side 3rd side；

The first connector of the tertiary circuit plate is coupled on 6th side, and the tertiary circuit plate is coupled on the 8th side The second connector；

Described 6th while width be more than described first while width, the described 8th while width be more than the described 3rd while width Degree；

First side of the first circuit board is located at the top of first connector, and the 3rd side of the second circuit board is located at The top of second connector；

4th side of the second circuit board is located at the top of first connector, and the second side of the first circuit board is located at The top of second connector；

First circuit board is parallel to each other with second circuit board, and the space that shared first connector and the second connector are formed； And

The capacity of the memory chip on the first circuit board is the capacity of the memory chip on the second circuit board Two times.

2. storage device according to claim 1, wherein the first circuit board is by being arranged in the tertiary circuit plate On the first connector be coupled to the tertiary circuit plate, the second circuit board is by being arranged on the tertiary circuit plate Second connector is coupled to the tertiary circuit plate.

3. storage device according to claim 2, wherein one or more pins of first connector are used to transmit Indicate the signal of the capacity of memory chip on the first circuit board, and/or second connector one or more Pin is used to transmit the signal of the capacity for indicating the memory chip on the second circuit board.

4. storage device according to claim 1, wherein the first circuit board is by being arranged in the tertiary circuit plate On the first connector and the second connector be coupled to the tertiary circuit plate, the second circuit board is by being arranged in described The 3rd connector and the 4th connector on three-circuit plate are coupled to the tertiary circuit plate, wherein the same institute of first connector State the 3rd connector identical, second connector is identical with the 4th connector.

5. storage device according to claim 4, wherein of first connector and/or second connector Or multiple pins are used to transmit the signal of the capacity for indicating the memory chip on the first circuit board, the 3rd connector And/or one or more pins of the 4th connector are used to transmit the memory chip indicated on the second circuit board The signal of capacity.

6. storage device according to claim 1, wherein,

Described 5th extends while from the first of the first circuit board；

Described 7th extends while from the 3rd of the second circuit board.

7. storage device according to claim 6, also including the first support base and the second support base,

Be fastened on first connector on 6th side of first flexible PCB by first support base, and described second Be fastened on second connector on 8th side of second flexible PCB by support base；

First side of first circuit board described in the first support seat supports, first support base also supports the second circuit 4th side of plate；

Second side of first circuit board described in the second support seat supports, second support base also supports the second circuit 3rd side of plate.

8. storage device according to claim 1, including multiple first circuit boards and/or multiple second circuits Plate.