CN205788240U - A kind of TF flash card - Google Patents
A kind of TF flash card Download PDFInfo
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- CN205788240U CN205788240U CN201620407611.2U CN201620407611U CN205788240U CN 205788240 U CN205788240 U CN 205788240U CN 201620407611 U CN201620407611 U CN 201620407611U CN 205788240 U CN205788240 U CN 205788240U
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Abstract
This utility model provides a kind of TF flash card, including circuit substrate, Flash chip and keyset；Described Flash chip and keyset are arranged on described circuit substrate；Described circuit substrate is provided with substrate interface end, and described Flash chip is provided with flash interface end；Described keyset includes first interface end, change-over circuit and the second interface end being sequentially connected with；The interface of described substrate interface end connects one to one with the interface of first interface end, and the interface of described flash interface end and the interface of the second interface end connect one to one.Realize the unification of the definition of flash interface end interface and substrate interface end interface definition, when Flash chip changed by needs, circuit substrate, beneficially resource recycling can be reused, reduce the pollution to environment；Further, moreover it is possible to cost-effective input, improve the interface suitability of circuit substrate simultaneously.
Description
Technical field
This utility model relates to area information storage, particularly relates to a kind of TF flash card.
Background technology
Flash card (Flash Card) is to utilize flash memory (Flash Memory) technology to reach to store electronic information
Flash store device.Common flash card has TF card (TransFLash card), SD card (Secure Digital
Memory Card), CF card (Compact Flash card) etc..Wherein TF card (TransFlash) is one
Plant the superfine little flash memory cards being mainly used in mobile phone,
T-Flash card (TransFLash) is a kind of microminiature card, the 1/4 of about SD card.TF card can be through
After SD ticket converter, when SD card uses.Utilize adapter can use SD setting as storage medium
Standby upper use.TransFlash mainly shoots significantly image and can download bigger video for camera cell phone
Fragment and develop.TransFlash card can be used to store personal data, such as digital photos, MP3,
Game and for the application of mobile phone and personal data etc., also in copyright protection management system is set, allow and download
Music, image and play protected；The following novel TransFlash released also has encryption function, protection
Personal data, finance record and health medical treatment file, it is seen that the utilization prospect of TF flash card is the most wide.
The internal structure of T-Flash card, it is common that Flash chip and controller chip are set on circuit substrate,
And post package completes.Different Flash chip is different due to interface definition, it is therefore desirable to different circuit of arranging in pairs or groups
Substrate.In actual production, if desired change Flash chip, then substantial amounts of circuit substrate may be caused to stay
Stagnant stock, therefore causes producing waste of material.If these circuit substrates are directly scrapped, then it is unfavorable for resource
Recycle, and pollute environment.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of TF flash card, it is possible to realize changing
During Flash chip, it is not necessary to change circuit substrate simultaneously.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of TF flash card, including circuit substrate, Flash chip and keyset；Described Flash chip and turn
Fishplate bar is arranged on described circuit substrate；
Described circuit substrate is provided with substrate interface end, and described Flash chip is provided with flash interface end；Described
Keyset includes first interface end, change-over circuit and the second interface end being sequentially connected with；
The interface of described substrate interface end connects one to one with the interface of first interface end, described flash interface
The interface of end and the interface of the second interface end connect one to one.
Wherein, also include that controller, described controller are arranged on described circuit substrate, and by described electricity
Base board electrically connects with described Flash chip.
Wherein, described substrate interface end and flash interface end all include power interface, data transmission interface, letter
Number control interface and ground interface.
Wherein, described keyset also includes that earth terminal and ground area, described earth terminal connect described in connecting respectively
Region, ground and change-over circuit.
Wherein, the quantity of described Flash chip is at least two, and plural described Flash chip misplaces
Stacking is arranged；The flash interface end of the Flash chip being connected with described circuit substrate exposes, and its interface is with described
The interface of the second interface end connects one to one；The interface of the flash interface end between adjacent Flash chip is with key
Conjunction mode connects one to one.
Wherein, bonded by insulating cement between plural described Flash chip.
Wherein, described keyset is double-sided printed-circuit board, and described double-sided printed-circuit board includes bottom surface and top
Face, described underrun insulating cement bonds with described circuit substrate；First interface end it is provided with on described end face
With the second interface end.
Wherein, described circuit substrate is BT natural gum material, and its thickness is 0.15～0.3mm.
Wherein, described keyset is BT natural gum material, and its thickness is 0.1～0.2mm.
The beneficial effects of the utility model are: by arranging keyset, the first interface end of keyset and base
The interface of plate interface end connects one to one, the interface of the interface of the second interface end and flash interface end one a pair
Should connect, be provided with change-over circuit between first interface end and the second interface end, unify Flash by change-over circuit
The interface definition of chip and the interface definition of circuit substrate, to solve different Flash chip due to interface definition not
With, the problem being difficult to adaptation with the interface of circuit substrate；Guarantee the connection conducting of Flash chip and circuit substrate；
When changing Flash chip, circuit substrate can be reused, improve the utilization rate of circuit substrate.
Accompanying drawing explanation
Fig. 1 is the structural representation of one one kinds of TF flash cards of this utility model embodiment；
Fig. 2 is the structural representation of 21 kinds of TF flash cards of this utility model embodiment；
Fig. 3 is the annexation signal of first interface end and substrate interface end in this utility model TF flash card
Figure；
Fig. 4 is the annexation signal of the second interface end and flash interface end in this utility model TF flash card
Figure.
Label declaration:
1, circuit substrate；2, Flash chip；3, keyset；4, substrate interface end；5, flash interface end；
6, first interface end；7, change-over circuit；8, the second interface end；9, controller.
Detailed description of the invention
By describing technology contents of the present utility model in detail, being realized purpose and effect, below in conjunction with embodiment party
Formula also coordinates accompanying drawing to be explained.
The design of this utility model most critical is: arrange keyset, respectively linker plate interface end and flash memory
Interface end, it is achieved the unification of interface definition between substrate interface end and flash interface end.
Refer to Fig. 1 and Fig. 3, Fig. 4, this utility model provides a kind of TF flash card, including circuit base
Plate 1, Flash chip 2 and keyset 3；Described Flash chip 2 and keyset 3 are arranged on described circuit base
On plate 1；
Described circuit substrate 1 is provided with substrate interface end 4, and described Flash chip 2 is provided with flash interface end
5；Described keyset 3 includes first interface end 6, change-over circuit 7 and the second interface end 8 being sequentially connected with；
The interface of described substrate interface end 4 connects one to one with the interface of first interface end 6, described flash memory
The interface of interface end 5 and the interface of the second interface end 8 connect one to one.
Further, described controller 9 is arranged on described circuit substrate 1, and by described circuit substrate 1
Electrically connect with described Flash chip 2.
Seen from the above description, Flash chip can be controlled by controller, and then control TF flash card
Duty.
Further, described substrate interface end 4 and flash interface end 5 all include that power interface, data are transmitted
Interface, signal control interface and ground interface.
Seen from the above description, by arranging circuit substrate and Flash chip various functions interface one to one,
To be embodied as the two power supply, and data transmission therebetween is mutual and the function such as signal control.
Further, described keyset also includes that earth terminal and ground area, described earth terminal connect institute respectively
State ground area and change-over circuit.
Seen from the above description, also working earthing is set for properly functioning needs of keyset.
Further, the quantity of described Flash chip is at least two, plural described Flash chip
Stacked offset is arranged；The flash interface end of the Flash chip being connected with described circuit substrate exposes, its interface with
The interface of described second interface end connects one to one；The interface of the flash interface end between adjacent Flash chip
Connect one to one with bonding pattern.
Further, bonded by insulating cement between plural described Flash chip.
Seen from the above description, flash array can be made up of plural Flash chip, expand storage and hold
Amount, improves flash memory efficiency.
Further, described keyset is double-sided printed-circuit board, and described double-sided printed-circuit board includes bottom surface
And end face, described underrun insulating cement bonds with described circuit substrate；It is provided with first on described end face to connect
Mouth end and the second interface end.
Seen from the above description, keyset is bonding with circuit substrate, it is ensured that it is firm to connect；First interface end and
Second interface end is arranged on end face, facilitates wiring.
Further, described circuit substrate is BT natural gum material, and its thickness is 0.15～0.3mm.
Further, described keyset is BT natural gum material, and its thickness is 0.1～0.2mm.
Seen from the above description, circuit substrate and keyset are natural gum material, and toughness is big, is unlikely to deform damage.
Refer to Fig. 1,3 and 4, embodiment one of the present utility model is:
The present embodiment provides a kind of TF flash card, including circuit substrate 1, controller 9, Flash chip 2,
Keyset 3 and the passive device of some necessity and circuit；Described controller 9, Flash chip 2, keyset
3 and the passive device of necessity and circuit be arranged on described circuit substrate 1；Controller 9 is by described electricity
Base board 1 electrically connects with described Flash chip 2；The most described controller 9, Flash chip 2 and keyset
3 tile respectively is arranged on circuit substrate 1, to reduce the integral thickness of TF flash card, facilitates circuit simultaneously
Connection.
Described circuit substrate 1 preferably employs BT natural gum material, and integral thickness is 0.15～0.3mm, and optimum is
0.21mm；Which is provided with substrate interface end 4, substrate interface end 4 comprises some circuit interfaces, some data
Coffret, some signals control interface and some ground interfaces etc.；
The described Flash chip 2 of at least one is provided with flash interface end 5, and flash interface end 5 comprises equally
Dry circuit interface, some data transmission interfaces, some signals control interface and some ground interfaces etc.；
Described keyset 3 includes first interface end 6, change-over circuit 7 and the second interface end 8 being sequentially connected with；
First interface end 6 and the second interface end 8 are respectively arranged with some circuit interfaces equally, the transmission of some data connects
Mouth, some signals control interface and some ground interfaces etc.；The quantity of interface and second on first interface end 6
The quantity of interface end 8 is identical, between the two corresponding interface, passes through metal lead wire inside change-over circuit
Connect one to one；
Preferably, described keyset 3 is BT natural gum material, and thickness is the printed on both sides electricity of 0.15～0.3mm
Road plate, optimum, the integral thickness of keyset 3 is 0.21mm；Including bottom surface and end face, described bottom surface leads to
Cross insulating cement to bond with described circuit substrate 1, described end face is provided with first interface end 6 and the second interface
End 8；The bottom surface of keyset is not provided with interface or weld pad, and uses bonding way, it is possible to simplify operation, simultaneously
Improve stable connection；
Each interface of each interface in described substrate interface end 4 and first interface end 6 is according to interface type
Connecting one to one, concrete annexation is as shown in Figure 3；Each interface on described flash interface end 5 with
In second interface end 8, each interface type connects one to one, and concrete annexation is as shown in Figure 4.The
One interface end 6 and the position of the second interface end 8, facilitates wiring, can compress again the sky that connecting line takies simultaneously
Between.
Preferably, described keyset 3 also includes that earth terminal and ground area, described earth terminal connect institute respectively
State ground area and change-over circuit；Described ground area is that full wafer covers copper, increases ground area, it is possible to increase
The ground connection performance of keyset.
Refer to Fig. 2,3 and 4, embodiment two of the present utility model is:
The present embodiment is the further extension of embodiment one, and described TF flash card is by configuring two Flash cores
Sheet improves flash memory performance.Two described Flash chip stacked offset are arranged, between bonded by insulating cement,
The underrun insulating cement of the Flash chip being positioned at bottom is bonded on circuit substrate 1, this Flash chip 2
Flash interface end 5 expose, the interface of described second interface end 8 on its interface and keyset 3 one a pair
Should connect；The interface of the flash interface end 5 between adjacent Flash chip 2 connects one to one with bonding pattern.
Preferably, it is also possible to constituted flash memory battle array in stacked offset mode equally by plural Flash chip
Row, the quantity of Flash chip requires according to the flash memory performance that TF flash card is to be realized and configures.
One detailed description of the invention, described Flash chip is Toshiba 15nm Flash；Base on described circuit substrate
Plate interface and the Flash chip Interface Matching of Toshiba 19nm Flash；Therefore, it can by by Flash chip
Each interface of upper flash interface end connects one to one with the interface of the second interface end on keyset；By electricity
Each interface of substrate interface end on base board connects with the interface one_to_one corresponding of the first interface end on keyset
Connect；By the change-over circuit in keyset, the interface definition of flash interface end is converted to and substrate interface end
The identical interface definition of interface definition, it is achieved the definition of flash interface end interface and substrate interface end interface definition
Unification, and then realize the adaptation of Flash chip and circuit substrate, it is not necessary to change circuit substrate.
In sum, this utility model provide a kind of TF flash card, it is achieved flash interface end interface definition with
The unification of substrate interface end interface definition, when Flash chip changed by needs, can reuse circuit substrate,
Be conducive to resource recycling, reduce the pollution to environment；Further, moreover it is possible to cost-effective input, same
The interface suitability of Shi Tigao circuit substrate.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model,
Every equivalents utilizing this utility model description and accompanying drawing content to be made, or be directly or indirectly used in
Relevant technical field, is the most in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. a TF flash card, it is characterised in that include circuit substrate, Flash chip and keyset；Institute
State Flash chip and keyset is arranged on described circuit substrate；
Described circuit substrate is provided with substrate interface end, and described Flash chip is provided with flash interface end；Described
Keyset includes first interface end, change-over circuit and the second interface end being sequentially connected with；
The interface of described substrate interface end connects one to one with the interface of first interface end, described flash interface
The interface of end and the interface of the second interface end connect one to one.
2. a kind of TF flash card as claimed in claim 1, it is characterised in that also include controller, institute
State controller to be arranged on described circuit substrate, and electrically connected with described Flash chip by described circuit substrate.
3. TF flash card as claimed in claim 1 a kind of, it is characterised in that described substrate interface end and
Flash interface end all includes that power interface, data transmission interface, signal control interface and ground interface.
4. a kind of TF flash card as claimed in claim 1, it is characterised in that described keyset also includes
Earth terminal and ground area, described earth terminal connects described ground area and change-over circuit respectively.
5. a kind of TF flash card as claimed in claim 1, it is characterised in that the number of described Flash chip
Amount is at least two, and plural described Flash chip stacked offset is arranged；It is connected with described circuit substrate
The flash interface end of Flash chip expose, its interface connects one to one with the interface of described second interface end；
The interface of the flash interface end between adjacent Flash chip connects one to one with bonding pattern.
6. a kind of TF flash card as claimed in claim 5, it is characterised in that plural described Flash
Bonded by insulating cement between chip.
7. a kind of TF flash card as described in claim 1-6 any one, it is characterised in that described turn
Fishplate bar is double-sided printed-circuit board, and described double-sided printed-circuit board includes bottom surface and end face, described underrun
Insulating cement bonds with described circuit substrate；First interface end and the second interface end it is provided with on described end face.
8. a kind of TF flash card as described in claim 1-6 any one, it is characterised in that described electricity
Base board is BT natural gum material, and its thickness is 0.15～0.3mm.
9. a kind of TF flash card as described in claim 1-6 any one, it is characterised in that described turn
Fishplate bar is BT natural gum material, and its thickness is 0.1～0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620407611.2U CN205788240U (en) | 2016-05-06 | 2016-05-06 | A kind of TF flash card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620407611.2U CN205788240U (en) | 2016-05-06 | 2016-05-06 | A kind of TF flash card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205788240U true CN205788240U (en) | 2016-12-07 |
Family
ID=57411406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620407611.2U Active CN205788240U (en) | 2016-05-06 | 2016-05-06 | A kind of TF flash card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205788240U (en) |
-
2016
- 2016-05-06 CN CN201620407611.2U patent/CN205788240U/en active Active
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518055 floor 1-3 and floor 4, building 8, zone 2, Zhongguan honghualing Industrial South Zone, No. 1213, Liuxian Avenue, Pingshan community, Taoyuan Street, Nanshan District, Shenzhen, Guangdong Patentee after: BIWIN STORAGE TECHNOLOGY Co.,Ltd. Address before: 518055 1st floor, 2nd floor, 4th floor, 5th floor, No.4 factory building, tongfuyu industrial city, Taoyuan Street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: BIWIN STORAGE TECHNOLOGY Co.,Ltd. |