CN106156375B - A kind of memory compiler joining method and memory - Google Patents

A kind of memory compiler joining method and memory Download PDF

Info

Publication number
CN106156375B
CN106156375B CN201510130359.5A CN201510130359A CN106156375B CN 106156375 B CN106156375 B CN 106156375B CN 201510130359 A CN201510130359 A CN 201510130359A CN 106156375 B CN106156375 B CN 106156375B
Authority
CN
China
Prior art keywords
memory
storage unit
fin
driving
value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510130359.5A
Other languages
Chinese (zh)
Other versions
CN106156375A (en
Inventor
杨杨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Spreadtrum Communications Shanghai Co Ltd
Original Assignee
Spreadtrum Communications Shanghai Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Spreadtrum Communications Shanghai Co Ltd filed Critical Spreadtrum Communications Shanghai Co Ltd
Priority to CN201510130359.5A priority Critical patent/CN106156375B/en
Publication of CN106156375A publication Critical patent/CN106156375A/en
Application granted granted Critical
Publication of CN106156375B publication Critical patent/CN106156375B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

This application discloses a kind of memory compiler joining methods, comprising: determines signal by the number n of the delay time of wordline driving to distalmost end storage unit and the Fin of the driving MOS of columns n and the wordline driving of storage unitWLDBetween functional relation;N array storage unit is divided into i sections, in nWLDValue range in the delay tn/i of n/i array storage unit is calculated;When the delay tn/i is less than the first preset value, the corresponding n of above-mentioned delay tn/i is obtainedWLD, it is denoted as nmeet;A buffer is inserted between every two sections of storage units, wordline driving is driven to n with each buffermeetA Fin;Assembled domain, it is seen that the number using the Fin of the wordline driving and buffer of storage unit obtained by the above method is optimal value, therefore enhances the area utilization of memory, reduces area loss.

Description

A kind of memory compiler joining method and memory
Technical field
This application involves memory technology fields, more specifically to a kind of memory compiler joining method and deposit Reservoir.
Background technique
Memory in the design process, is usually divided into each functional module (leaf by existing memory compiler Cell), depending on the circuit size in functional module is according to the worst case of array.Then with program according to configuration parameter, splicing Multiple functional modules are finally combined into a memory by each functional module.In this process, the large scale in memory Device is in accordance with to be set under the worst case of array, cannot track the line number of array and the variation of columns, therefore, using existing Area (Performance, power, the area-abbreviation PPA) waste for the memory for thering is the technical solution in technology to generate, together When also will increase power consumption of memory.
Summary of the invention
In view of this, the application provides a kind of memory compiler joining method, for solving memory in the prior art Area loss the problem of.
To achieve the goals above, it is proposed that scheme it is as follows:
A kind of memory compiler joining method, comprising:
Determine signal by wordline driving to the delay time of distalmost end storage unit and the columns n and wordline of storage unit The number n of the Fin of the driving MOS of drivingWLDBetween functional relation, wherein the nWLDFor a dispersion number;
The n array storage unit is divided into default section, in nWLDValue range in, according to the functional relation calculate The minimum delay time of every section of storage unit obtains the minimum and prolongs when the minimum delay time is less than the first preset value When time corresponding nWLD, it is denoted as preferred value, the preferred value is wordline driving and every two sections of storages in the memory The Fin number of the driving MOS of buffer between unit;
Assembled Fin is the domain of the wordline driving and buffer of preferred value.
Preferably, above-mentioned memory compiler joining method, further includes:
When the minimum delay time is not less than the first preset value, the equal segments of the n array storage unit adds 1, directly To in nWLDValue range in, the minimum delay time of every section of storage unit is less than the first preset value.
Preferably, in above-mentioned memory compiler joining method, the signal is driven to distalmost end by memory word line and is deposited The number n of the Fin of the delay time of storage unit and the columns n of storage unit and wordline driving MOSWLDBetween functional relation, Are as follows:
Wherein, t0 is delay time of the signal by memory word line driving to distalmost end storage unit, RC_WLIt is single for storage The resistance value of first bit line, CC_WLFor the capacitance of storage unit bit line, a and b are constant.
Preferably, in above-mentioned memory compiler joining method, further includes:
The line number m of the memory compiler is tracked, specifically:
Calculate the resistance R of the pull-up PMOS of memoryC_PUWith the resistance R for writing drivingWRDWith m line storage unit Resistance RC_BLThe sum of ratio T, wherein it is describedThe nWRDFor write driving NMOS Fin Number, c is fixed value;
In nWRDValue range in, calculate so that the ratio T be greater than the second preset value the NMOS for writing driving minimum The number of Fin, is denoted as nWRD1
Assembled Fin is nWRD1The domain for writing driving.
Preferably, in above-mentioned memory compiler joining method, further includes:
It is tracked using line number m and columns n of the sequential control circuit to the memory compiler, specifically:
Determine the functional module number p and phase inverter of the delay t1 and inverter drive of the sequential control circuit of memory Fin number nDriverBetween functional relation, wherein the nDriverFor a dispersion number;
It asks in the nDriverValue range in so that the minimum number of the Fin when delay t1 meets timing requirements Mesh is denoted as nDriver1
Assembled Fin is nDriverlSequential control circuit domain.
Preferably, in above-mentioned memory compiler joining method, the delay t1 and phase inverter of the sequential control circuit are driven The number n of the Fin of dynamic functional module number p and phase inverterDriverBetween functional relation be
Wherein, described d, e are fixed value, the CleafcellFor The capacitor for the functional module that phase inverter is driven, the RleafcellBy the connection resistances for the functional module that phase inverter drives.
A kind of memory, the memory are assembled using above-mentioned any one memory compiler joining method Memory.
It can be seen from the above technical scheme that in memory compiler joining method disclosed in the present application, by institute The columns n for stating memory compiler is tracked, so that the number of the Fin of the WL Driver and Buffer of storage unit are Optimal value so that the size of the WL Driver and Buffer is optimal, therefore enhances the area utilization of memory, reduces Area loss.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structure chart of existing 3D transistor;
Fig. 2 is the long line model of the WL Driver in memory compiler disclosed in the embodiment of the present application;
Fig. 3 is the flow chart of the disclosed method tracked to the columns of memory compiler of the embodiment of the present application;
Fig. 4 is the long wire model figure for writing driving Write Driver worst case of memory compiler;
Fig. 5 is the disclosed method flow diagram tracked to the line number m of memory compiler of the embodiment of the present application;
Fig. 6 is that the timing of memory tracks the structure chart of circuit;
Fig. 7 is the long line illustraton of model for the large scale phase inverter that timing is tracked in circuit;
Fig. 8 is the disclosed line number m and column using sequential control circuit to the memory compiler of the embodiment of the present application The flow chart that number n is tracked.
Specific embodiment
Depending on the circuit size in memory function module in the prior art is directed to according to the worst case of array, from And the problem of causing the area loss of memory, this application discloses a kind of memory compiler joining method and memories.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Under fin field-effect transistor (Fin Field-Effect Transistor, FinFET) technique, MOS device Channel length is fixed, width can only quantification value.Therefore user can customize the size of MOS device, can be to MOS device Carry out computer control.Therefore original memory compiler technology can optimize reform under FinFET technique.
As shown in Figure 1, the FinFET in Fig. 1 is 3D transistor (metal-oxide-semiconductor), referring to the ditch of the 3D transistor in Fig. 1 Road length is fixed value, width can only quantized value, therefore the size of the metal-oxide-semiconductor is determined by the total number of Fin: FinSum=Fin1Finger* Finger, metal-oxide-semiconductor are sized at a discrete function, thus can be convenient with computer into Row processing, control domain arrangement, carries out assembled metal-oxide-semiconductor.Wordline in memory compiler drives (WL Driver), writes driving Large-size device is provided in (Write Driver), timing tracking circuit (Tracking Path), the WL Driver is used The wordline of storage unit, the Write Driver are used to drive the position of storage unit in storage array in driving storage array Line, the Tracking Path are used to control the timing of memory, and applicant utilizes FinFET size by research discovery The characteristic of discretization may make the size of large-size device to be tracked line number and columns, so that reducing memory Area loss is possibly realized.
Fig. 2 is the long line model of the WL Driver in memory compiler disclosed in the embodiment of the present application.Wherein, Fig. 2 Shown in RWLDThe resistance of MOS, C are driven for WL DriverWLDThe capacitor of MOS, R are driven for WL DriverC_WLFor storage unit The resistance of bit line, CC_WLFor the capacitor of storage unit bit line, WL Driver drives altogether n array storage unit, and the t0 is signal By the delay time of the storage unit of WL Driver to distalmost end, the t0=f (nWLD, n), wherein the nWLDFor WL Driver drives total mesh number of the Fin of MOS, and the nWLDFor a dispersion number.
Based on the signal by WL Driver to distalmost end storage unit delay time t0 and the WL Driver Drive total mesh number n of the Fin of MOSWLDFunctional relation between the columns n of storage unit, this application discloses a kind of memories Compiler joining method is tracked by the columns to memory compiler, reaches the mesh of the PPA of optimization memory compiler 's.
Fig. 3 is the disclosed method tracked to the columns of memory compiler of the embodiment of the present application.
Referring to Fig. 1, this method comprises:
The columns n of the memory compiler is tracked, specifically:
Step S301: determine signal by wordline driving to the delay time t0 of distalmost end storage unit and the column of storage unit The number n of the Fin of number n and the driving MOS of wordline drivingWLDBetween functional relation;
Step S302: the n array storage unit is divided into i sections, i=1;
Step S303: in nWLDValue range in, the minimum delay time tn/i of n/i array storage unit is calculated;
Step S304: judge the minimum delay time tn/i whether less than the first preset value ttarget, if it is executing step Rapid S306, if not, executing step S305, the first preset value ttargetSize according to depending on user demand:
Step S305: so that i=i+1, continues to execute step S303;
In nWLDValue range in, continue the minimum delay time tn/i that n/i array storage unit is calculated, until sentence The minimum delay time tn/i that breaks is less than the first preset value ttarget
Step S306: if the minimum delay time tn/i is less than the first preset value ttarget, obtain so that the minimum Wordline delay time tn/i corresponding when being minimum value drives the number (n of the Fin of MOSWLD), it is denoted as nmeet
Step S307: being inserted into a buffer Buffer between every two sections of storage units, wordline driving and each described slow Fin number for rushing the driving of device Buffer is nmeet
Step S308: assembled Fin is nmeetWordline driving and buffer domain.
Shown in Fig. 3, n firstWLDIn the number license value range of Fin, the minimum delay of n storage unit is obtained, such as Fruit is less than target (the first preset value) ttarget, then the smallest Fin value for meeting constraint condition is sought in value range;If Greater than the first preset value ttarget, then average segmentation is carried out, asks every section of minimum delay, and every section of minimum delay is preset with first Value ttargetIt is compared, if less than the first preset value ttarget, then the minimum Fin value for meeting constraint condition is sought, is otherwise continued point Section is gone down, and until meeting targeting constraints, (every section of minimum delay is less than the first preset value ttarget) until.It selects always in this way To the segments for the condition that meets and the value of Fin, select always it is optimal as a result, therefore every section altogether whole delay then exist It is also the smallest for meeting under constraint condition.
Wherein, the above method can be referred to as greedy algorithm, can be imitative with simulation to the iteration of greed selection for this It is really solved, under limited, the discrete value of Fin, operation emulation obtains corresponding delay, by obtained delay and first Preset value is compared, if terminating emulation less than the first preset value, then carries out operation to delay;It is pre- if more than first If value, then be segmented the n array storage unit, continue under discrete value, it is corresponding that emulation obtains every section of storage unit Delay, subsequent iteration and so on, until every section of storage unit it is corresponding delay less than the first preset value when until.Then It is inserted between every two sections of storage units with buffer Buffer, the value of Fin determines the size of WL Driver and Buffer.No Same columns (n) obtains corresponding segments and the value n of Finmeet, by computer generate corresponding WL Driver and The domain of Buffer, such memory compiler can track the variation of columns, so that the WL Driver of each memory PPA can be optimal.
Referring to disclosed in the above embodiments of the present application, to the method that the columns n of the memory compiler is tracked, deposit The number of the Fin of the WL Driver and Buffer of storage unit are optimal value, so that the WL Driver and Buffer Size it is optimal, to enhance the area utilization of memory, reduce area loss.
It is understood that referring to fig. 2, the delay time t0 by memory word line driving to distalmost end storage unit With the number n of the Fin of columns n and wordline the driving MOS of storage unitWLDBetween functional relation, are as follows:
If whereinDescribed a, b are constant, then:
Wherein RC_WLFor the resistance value of storage unit bit line, CC_WLFor the capacitance of storage unit bit line;
Therefore, the t0 and n and n can be acquiredWLDBetween functional relation are as follows:
Fig. 4 is the long wire model figure for writing driving Write Driver worst case of memory compiler.Wherein, shown RC_PUFor the resistance of the pull-up PMOS of storage unit, RC_BLFor the resistance of storage unit BL, CC_BLFor storage unit bit line BL (bit Line capacitor), RWRDFor the resistance for writing driving (Write Driver), m is the line number of storage unit.It is when needing that storage is single When member writes overturning, the ratio of resistance needs to meet condition:
The wherein λflipFor the second preset value.
Wherein, if the number of the Fin of the NMOS of the Write Driver is nWRD, then, describedIt is described C is constant, then above-mentioned formula can be deformed into:
Fig. 5 is the disclosed method flow diagram tracked to the line number m of memory compiler of the embodiment of the present application.
It is understood that in order to advanced optimize the PPA of memory, in the above-mentioned columns to the memory compiler On the basis of n is tracked, can also the line number m to memory compiler track, referring to fig. 4 and Fig. 5, detailed process Are as follows:
Step S501: the resistance R of the pull-up PMOS of memory is calculatedC_PUWith the resistance R for writing drivingWRDWith m row The resistance R of storage unitC_BLThe sum of ratio T;
Step S502: in nWRDValue range in, calculate so that the ratio T is greater than the driving of writing of the second preset value The number of the minimum Fin of NMOS, is denoted as nWRD1
Step S503: assembled Fin is nWRD1The domain for writing driving.
As it can be seen that analyzing by setting the specific structure for writing driving of the memory editing machine, described deposit is obtained The resistance R of the pull-up PMOS of reservoirC_PUWith the resistance R for writing drivingWRDWith the resistance R of m line storage unitC_BLIt The ratio T of sum, meanwhile, analysis obtains the resistance R for writing drivingWRDWith the Fin's of the NMOS of the Write Driver Number nWRDBetween relationship, thus by bringing into obtain, the number n of the Fin of the NMOS of the Write DriverWRDWith it is described The minimum n so that when the ratio T meets preset condition can be obtained by analytical calculation for relationship between ratio TWRDTake Value, to achieve the purpose that be tracked the line number m of reservoir compiler, so that the size of the Write Driver is most It is excellent, to further enhance the area utilization of memory, reduce area loss.
Fig. 6 is that the timing of memory tracks the structure chart of circuit.Wherein, Cell memory function module in figure, the WL FMS is the timing triggers of WL signal, and the SA FSM is the timing triggers of SAEN signal.
Referring to Fig. 6, the timing tracks circuit at work, when the shown end CK gets the rising edge of clock signal, Triggering WLEN is set to ' 1 ', so that shown DWL is also set to ' 1 ' unlatching phase inverter, RBL starts to discharge, and finally WL_END is become ' 1 ' resetting WL FSM, corresponding WLEN, which sets ' 0 ', DWL and set ' 0 ', RBL and revert to ' 1 ', WL_END, sets ' 0 ', terminates the timing of WL Tracking;When WL_END is set to ' 1 ', open SA timing tracking, SAEN set ' 1 ', SA_END set ' 1 ' resetting SA FSM make SAEN is ' 0 ', and then SA_END also becomes ' 0 ', terminates the timing tracking of SA.Drive one long company of inverter drive of WLEN Line, signal delay are influenced by the line number (m) of storage array in memory;One long line of inverter drive of RBL is driven, Delay is equally influenced by the line number (m) of storage array in memory;The long line of inverter drive of SAEN is driven, delay is deposited The influence of the columns (n) of storage array in reservoir;The long line of inverter drive of SA_END is driven, is delayed equally by memory Store the influence of columns (n).And these above-mentioned phase inverters are large-size device, influence the whole timing of memory.It is existing The timing tracking circuit of memory compiler is only designed the worst case of array, causes array in the case of other in this way Timing tracking be not it is most suitable so that timing tracking circuit PPA be not it is optimal, increase memory area wave Take.
Fig. 7 is the long line model for the large scale phase inverter that timing is tracked in circuit.
The PPA for being directed to timing tracking circuit in memory is not optimal problem, and applicant establishes as shown in Figure 7 Long line model, wherein shown RDriverFor the MOS resistance for driving phase inverter, shown CDriverFor the MOS electricity for driving phase inverter Hold, the RleafcellFor the connection resistances of memory function module, the CleafcellFor the capacitor of memory function module, institute The number for the memory function module that p is connected for driving phase inverter is stated, the delay t1 is anti-to driving by driving phase inverter The delay time for the farthest functional module that phase device is connected.
It can be obtained by calculating analysis, the delay:
If driving the number of the Fin of MOS in above-mentioned long line is nDriver, then described Described d, e are constant.Then above-mentioned formula can be deformed into:
By above-mentioned formula, described in nDriverValue range in, acquire the smallest driving for meeting delay requirement The size of MOS, and it is assembled into corresponding domain, so that the PPA of above-mentioned long line driving optimizes, this solution Process can be solved with analog simulation: in discrete nDriverSize value range in, the delay t of simulated measurement correspondingly-sized Value, compares timing requirements, obtains meeting the n that condition obtains minimum dimensionDriver, and assembled corresponding domain.Therefore tracking timing chases after The line number of track circuit and the variation of columns, the timing of each memory of generation are tracked circuit from being in harmony, are deposited to reduce The area loss of reservoir.
Specifically, referring to Fig. 8, using sequential control circuit to the memory compiler in the above embodiments of the present application The method that line number m and columns n are tracked, concretely:
Step S801: the functional module number p of the delay t1 and inverter drive of the sequential control circuit of memory are determined And the number n of the Fin of phase inverterDriverBetween functional relation, wherein the nDriverFor a dispersion number;
Step S802: it asks in the nDriverValue range in so that the delay t1 is when meeting preset condition The minimal amount of Fin, is denoted as nDriver1, i.e., so that the t1 be less than predetermined value when Fin minimal amount;
Step S803: assembled Fin is nDriver1Sequential control circuit domain.
It is understood that corresponding to method disclosed in the above embodiments of the present application, disclosed herein as well is a kind of uses Memory made of any one of the above method.
A kind of memory, which is characterized in that the memory is to use above-mentioned any one memory compiler splicing side The assembled memory of method.
It is understood that memory disclosed in the embodiment of the present application can be using the WL Driver in memory to depositing The columns of reservoir is tracked and/or is tracked and/or uses using line number of the Writer Driver to memory timing control Circuit processed is all tracked line number and columns, therefore can be tracked customization to the large-size device in memory, thus So that the whole PPA of each memory is optimal.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (6)

1. a kind of memory compiler joining method characterized by comprising
Determine that signal is driven by the delay time of wordline driving to distalmost end storage unit and the columns n and wordline of storage unit Driving MOS Fin number nWLDBetween functional relation, the nWLDFor a dispersion number;
The n array storage unit is divided into default section, in nWLDValue range in, calculate every section according to the functional relation The minimum delay time of storage unit, when the minimum delay time is less than the first preset value, when obtaining the minimum delay Between corresponding nWLD, it is denoted as preferred value, the preferred value is wordline driving and every two sections of storage units in the memory Between buffer driving MOS Fin number;
Assembled Fin is the domain of the wordline driving and buffer of preferred value;
The signal is driven by memory word line to the delay time of distalmost end storage unit and the columns n and word of storage unit Line drives the number n of the Fin of MOSWLDBetween functional relation are as follows:
Wherein, t0 is delay time of the signal by memory word line driving to distalmost end storage unit, RC_WLFor storage unit bit line Resistance value, CC_WLFor the capacitance of storage unit bit line, a and b are constant.
2. memory compiler joining method according to claim 1, which is characterized in that further include:
When the minimum delay time is not less than the first preset value, the equal segments of the n array storage unit adds 1, until nWLDValue range in, the minimum delay time of every section of storage unit is less than the first preset value.
3. memory compiler joining method according to claim 1, which is characterized in that further include:
The line number m of the memory compiler is tracked, specifically:
Calculate the resistance R of the pull-up PMOS of memoryC_PUWith the resistance R for writing drivingWRDWith the resistance of m line storage unit Resistance value RC_BLThe sum of ratio T, wherein it is describedThe nWRDFor write driving NMOS Fin number, c is Fixed value;
In nWRDValue range in, calculate so that the ratio T be greater than the second preset value the NMOS for writing driving minimum Fin Number, be denoted as nWRD1
Assembled Fin is nWRD1The domain for writing driving.
4. memory compiler joining method according to claim 1, which is characterized in that further include:
It is tracked using line number m and columns n of the sequential control circuit to the memory compiler, specifically:
Determine the delay t1 of the sequential control circuit of memory and the functional module number p and phase inverter of inverter drive The number n of FinDriverBetween functional relation, wherein the nDriverFor a dispersion number;
It asks in the nDriverValue range in so that it is described delay t1 timing requirements when Fin minimal amount, be denoted as nDriver1
Assembled Fin is nDriver1Sequential control circuit domain.
5. memory compiler joining method according to claim 4, which is characterized in that the sequential control circuit prolongs When t1 and inverter drive functional module number p and phase inverter Fin number nDriverBetween functional relation beWherein, described d, e are fixed value, the CleafcellFor reverse phase The capacitor for the functional module that device is driven, the RleafcellBy the connection resistances for the functional module that phase inverter drives.
6. a kind of memory, which is characterized in that the memory is to be compiled using the claims 1-5 any one memory The assembled memory of device joining method.
CN201510130359.5A 2015-03-24 2015-03-24 A kind of memory compiler joining method and memory Active CN106156375B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510130359.5A CN106156375B (en) 2015-03-24 2015-03-24 A kind of memory compiler joining method and memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510130359.5A CN106156375B (en) 2015-03-24 2015-03-24 A kind of memory compiler joining method and memory

Publications (2)

Publication Number Publication Date
CN106156375A CN106156375A (en) 2016-11-23
CN106156375B true CN106156375B (en) 2019-01-04

Family

ID=58064335

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510130359.5A Active CN106156375B (en) 2015-03-24 2015-03-24 A kind of memory compiler joining method and memory

Country Status (1)

Country Link
CN (1) CN106156375B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10521532B1 (en) * 2018-09-07 2019-12-31 Arm Limited Segmented memory instances

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070090468A1 (en) * 2003-07-31 2007-04-26 Kabushiki Kaisha Toshiba Semiconductor device with silicon-film fins and method of manufacturing the same
CN1996600A (en) * 2005-11-15 2007-07-11 国际商业机器公司 SRAM cell and method for forming same
CN103106294A (en) * 2012-12-24 2013-05-15 西安华芯半导体有限公司 Territory programming method for static random access memory compiler

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070090468A1 (en) * 2003-07-31 2007-04-26 Kabushiki Kaisha Toshiba Semiconductor device with silicon-film fins and method of manufacturing the same
CN1996600A (en) * 2005-11-15 2007-07-11 国际商业机器公司 SRAM cell and method for forming same
CN103106294A (en) * 2012-12-24 2013-05-15 西安华芯半导体有限公司 Territory programming method for static random access memory compiler

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
FinFET SRAM Optimization With Fin Thickness and Surface Orientation;Mingu Kang等;《IEEE TRANSACTIONS ON ELECTRON DEVICES》;20101130;第57卷(第11期);第2785-2793页
Single event upset sensitivity of 45nm FDSOI and SOI FinFET SRAM;TANG Du等;《SCIENCE CHINA Technological Sciences》;20130331;第56卷(第3期);第780-785页

Also Published As

Publication number Publication date
CN106156375A (en) 2016-11-23

Similar Documents

Publication Publication Date Title
Vogelsang Understanding the energy consumption of dynamic random access memories
Mohan et al. FlashPower: A detailed power model for NAND flash memory
CN102637452B (en) For the tracking scheme of storer
TW201419280A (en) Nonvolatile memory device having near/far memory cell groupings and data processing method
US11361819B2 (en) Staged bitline precharge
US8531887B2 (en) Nonvolatile memory device and related programming method
US20150170721A1 (en) Controlling Timing of Negative Charge Injection to Generate Reliable Negative Bitline Voltage
KR20170041510A (en) Semiconductor memory device and operating method thereof
CN104375895A (en) Storage scheduling method and device for data among multiple kinds of storages
US8929120B2 (en) Diode segmentation in memory
KR102172869B1 (en) Memory device including reference voltage generator
KR20190123990A (en) Memory controller and operating method thereof
CN106297874B (en) Clock signal generating circuit and method and memory
CN103943142A (en) Static random access memory and bit line pre-charging self-timing circuit thereof
KR20170052026A (en) Semiconductor memory device and operating method thereof
Weis et al. Dramspec: A high-level dram timing, power and area exploration tool
CN106156375B (en) A kind of memory compiler joining method and memory
KR20190124588A (en) Controller and operating method thereof
US20220375508A1 (en) Compute in memory (cim) memory array
KR102131060B1 (en) Read and write operation method of nonvolatile memory device
CN109979505B (en) SRAM write circuit
Gomony et al. DRAM selection and configuration for real-time mobile systems
US20150235682A1 (en) Method and apparatus for pre-charging data lines in a memory cell array
CN109326313A (en) Memory device and its operating method
JP2005122841A (en) Nonvolatile semiconductor memory device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20200605

Address after: 8-07, building 6, ronghuiyuan, airport economic core area, Shunyi District, Beijing

Patentee after: Xin Xin finance leasing (Beijing) Co.,Ltd.

Address before: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech park, Spreadtrum Center Building 1, Lane 2288

Patentee before: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20201203

Address after: Room 2502, COFCO Plaza, 990 Nanma Road, Nankai District, Tianjin

Patentee after: Xin Xin finance leasing (Tianjin) Co.,Ltd.

Address before: 8-07, building 6, ronghuiyuan, airport economic core area, Shunyi District, Beijing

Patentee before: Xin Xin finance leasing (Beijing) Co.,Ltd.

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20161123

Assignee: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd.

Assignor: Xin Xin finance leasing (Tianjin) Co.,Ltd.

Contract record no.: X2021110000055

Denomination of invention: A memory compiler splicing method and memory

Granted publication date: 20190104

License type: Exclusive License

Record date: 20211227

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230714

Address after: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech park, Spreadtrum Center Building 1, Lane 2288

Patentee after: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd.

Address before: Room 2502, COFCO Plaza, 990 Nanma Road, Nankai District, Tianjin 300100

Patentee before: Xin Xin finance leasing (Tianjin) Co.,Ltd.