TWI278862B - SRAM cell structure and circuits - Google Patents
SRAM cell structure and circuits Download PDFInfo
- Publication number
- TWI278862B TWI278862B TW093119493A TW93119493A TWI278862B TW I278862 B TWI278862 B TW I278862B TW 093119493 A TW093119493 A TW 093119493A TW 93119493 A TW93119493 A TW 93119493A TW I278862 B TWI278862 B TW I278862B
- Authority
- TW
- Taiwan
- Prior art keywords
- read
- block
- transistor
- memory
- write
- Prior art date
Links
- 230000015654 memory Effects 0.000 claims abstract description 179
- 238000000034 method Methods 0.000 claims abstract description 28
- 230000003068 static effect Effects 0.000 claims description 34
- 238000003860 storage Methods 0.000 claims description 20
- 230000006870 function Effects 0.000 claims description 12
- 239000004065 semiconductor Substances 0.000 claims description 11
- 239000013078 crystal Substances 0.000 claims description 9
- 229910044991 metal oxide Inorganic materials 0.000 claims description 9
- 150000004706 metal oxides Chemical class 0.000 claims description 9
- 230000008447 perception Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000005055 memory storage Effects 0.000 claims description 3
- 241000220317 Rosa Species 0.000 claims 1
- 235000012054 meals Nutrition 0.000 claims 1
- 230000001965 increasing effect Effects 0.000 abstract description 6
- 230000009977 dual effect Effects 0.000 abstract description 3
- 238000003491 array Methods 0.000 abstract description 2
- 210000004027 cell Anatomy 0.000 description 88
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- -1 mns3 Proteins 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 101100182941 Schizosaccharomyces pombe (strain 972 / ATCC 24843) ams1 gene Proteins 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 210000004692 intercellular junction Anatomy 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/41—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming static cells with positive feedback, i.e. cells not needing refreshing or charge regeneration, e.g. bistable multivibrator or Schmitt trigger
- G11C11/413—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing, timing or power reduction
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/41—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming static cells with positive feedback, i.e. cells not needing refreshing or charge regeneration, e.g. bistable multivibrator or Schmitt trigger
- G11C11/413—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing, timing or power reduction
- G11C11/417—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing, timing or power reduction for memory cells of the field-effect type
- G11C11/419—Read-write [R-W] circuits
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Static Random-Access Memory (AREA)
- Semiconductor Memories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US48456503P | 2003-07-01 | 2003-07-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200518091A TW200518091A (en) | 2005-06-01 |
| TWI278862B true TWI278862B (en) | 2007-04-11 |
Family
ID=34062054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW093119493A TWI278862B (en) | 2003-07-01 | 2004-06-30 | SRAM cell structure and circuits |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US7102915B2 (https=) |
| EP (1) | EP1642299A4 (https=) |
| JP (1) | JP2007529081A (https=) |
| KR (1) | KR20060040614A (https=) |
| CN (1) | CN1816882A (https=) |
| CA (1) | CA2529667A1 (https=) |
| TW (1) | TWI278862B (https=) |
| WO (1) | WO2005006340A2 (https=) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI381380B (zh) * | 2008-09-18 | 2013-01-01 | Aicestar Technology Suzhou Corp | 靜態隨機存取記憶體及其形成與控制方法 |
| TWI419160B (zh) * | 2009-01-07 | 2013-12-11 | Univ Nat Chiao Tung | 靜態隨機存取記憶體裝置 |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4721776B2 (ja) * | 2004-07-13 | 2011-07-13 | ルネサスエレクトロニクス株式会社 | 半導体記憶装置 |
| US7355905B2 (en) | 2005-07-01 | 2008-04-08 | P.A. Semi, Inc. | Integrated circuit with separate supply voltage for memory that is different from logic circuit supply voltage |
| JP4965844B2 (ja) * | 2005-10-20 | 2012-07-04 | 株式会社東芝 | 半導体メモリ装置 |
| US7372721B2 (en) * | 2005-10-26 | 2008-05-13 | Manoj Sachdev | Segmented column virtual ground scheme in a static random access memory (SRAM) circuit |
| US7411853B2 (en) * | 2005-11-17 | 2008-08-12 | Altera Corporation | Volatile memory elements with elevated power supply levels for programmable logic device integrated circuits |
| JP2007172715A (ja) * | 2005-12-20 | 2007-07-05 | Fujitsu Ltd | 半導体記憶装置およびその制御方法 |
| JP2007199441A (ja) * | 2006-01-27 | 2007-08-09 | Hitachi Displays Ltd | 画像表示装置 |
| JP2007213699A (ja) * | 2006-02-09 | 2007-08-23 | Toshiba Corp | 半導体記憶装置 |
| DE102006012187B3 (de) * | 2006-03-16 | 2007-10-11 | Infineon Technologies Ag | Vorrichtung und Verfahren zur Verringerung des Leckstroms von Speicherzellen im Energiesparmodus |
| US7898894B2 (en) * | 2006-04-12 | 2011-03-01 | International Business Machines Corporation | Static random access memory (SRAM) cells |
| US7440312B2 (en) * | 2006-10-02 | 2008-10-21 | Analog Devices, Inc. | Memory write timing system |
| US7925937B2 (en) * | 2008-01-07 | 2011-04-12 | Advanced Micro Devices, Inc. | Apparatus for testing embedded memory read paths |
| US9875788B2 (en) * | 2010-03-25 | 2018-01-23 | Qualcomm Incorporated | Low-power 5T SRAM with improved stability and reduced bitcell size |
| US8797787B2 (en) * | 2011-11-10 | 2014-08-05 | Taiwan Semiconductor Manufacturing Co., Ltd. | Semiconductor manufacturing method |
| US9171634B2 (en) * | 2013-03-14 | 2015-10-27 | Arm Limited | Memory device and method of controlling leakage current within such a memory device |
| US9208853B2 (en) * | 2013-03-15 | 2015-12-08 | Intel Corporation | Dual-port static random access memory (SRAM) |
| KR102072407B1 (ko) | 2013-05-03 | 2020-02-03 | 삼성전자 주식회사 | 메모리 장치 및 그 구동 방법 |
| KR20150102526A (ko) | 2014-02-28 | 2015-09-07 | 에스케이하이닉스 주식회사 | 전자 장치 |
| KR20160050534A (ko) * | 2014-10-30 | 2016-05-11 | 에스케이하이닉스 주식회사 | 누설 전류 감지부를 구비하는 반도체 집적 회로 장치 및 그 구동방법 |
| US10163490B2 (en) * | 2015-02-23 | 2018-12-25 | Qualcomm Incorporated | P-type field-effect transistor (PFET)-based sense amplifiers for reading PFET pass-gate memory bit cells, and related memory systems and methods |
| US10037400B2 (en) * | 2016-06-02 | 2018-07-31 | Marvell World Trade Ltd. | Integrated circuit manufacturing process for aligning threshold voltages of transistors |
| US10062431B2 (en) | 2016-11-07 | 2018-08-28 | Ambiq Micro, Inc. | SRAM with multiple power domains |
| US11094685B2 (en) | 2016-11-29 | 2021-08-17 | Taiwan Semiconductor Manufacturing Co., Ltd. | Static random access memory device |
| US10148254B2 (en) * | 2017-01-13 | 2018-12-04 | Flashsilicon Incorporation | Standby current reduction in digital circuitries |
| CN108062963A (zh) * | 2017-11-23 | 2018-05-22 | 上海华力微电子有限公司 | Sram读辅助电路 |
| US10672775B2 (en) * | 2018-05-25 | 2020-06-02 | Taiwan Semiconductor Manufacturing Co., Ltd. | Semiconductor device having strap cell |
| US12176025B2 (en) | 2021-07-09 | 2024-12-24 | Stmicroelectronics International N.V. | Adaptive body bias management for an in-memory compute operation where simultaneous access is made to plural rows of a static random access memory (SRAM) |
| US11984151B2 (en) | 2021-07-09 | 2024-05-14 | Stmicroelectronics International N.V. | Adaptive bit line overdrive control for an in-memory compute operation where simultaneous access is made to plural rows of a static random access memory (SRAM) |
| US12237007B2 (en) | 2021-07-09 | 2025-02-25 | Stmicroelectronics International N.V. | Selective bit line clamping control for an in-memory compute operation where simultaneous access is made to plural rows of a static random access memory (SRAM) |
| US12087356B2 (en) | 2021-07-09 | 2024-09-10 | Stmicroelectronics International N.V. | Serial word line actuation with linked source voltage supply modulation for an in-memory compute operation where simultaneous access is made to plural rows of a static random access memory (SRAM) |
| US12354644B2 (en) | 2021-07-09 | 2025-07-08 | Stmicroelectronics International N.V. | Adaptive word line underdrive control for an in-memory compute operation where simultaneous access is made to plural rows of a static random access memory (SRAM) |
| CN114999547B (zh) * | 2022-05-17 | 2026-03-20 | 长江存储科技有限责任公司 | 存储器装置及其操作方法、存储器系统 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0184638B1 (ko) | 1989-02-23 | 1999-04-15 | 엔.라이스 머레트 | 세그먼트 비트 라인 스태틱 랜덤 액세스 메모리 구조물 |
| US5070482A (en) * | 1989-04-06 | 1991-12-03 | Sony Corporation | Static random access memory |
| KR100392687B1 (ko) | 1995-10-31 | 2003-11-28 | 마츠시타 덴끼 산교 가부시키가이샤 | 반도체 기억장치 |
| US6091627A (en) * | 1998-09-16 | 2000-07-18 | Lucent Technologies, Inc. | Message box memory cell for two-side asynchronous access |
| US6181608B1 (en) | 1999-03-03 | 2001-01-30 | Intel Corporation | Dual Vt SRAM cell with bitline leakage control |
| US6661733B1 (en) * | 2000-06-15 | 2003-12-09 | Altera Corporation | Dual-port SRAM in a programmable logic device |
| US6519204B2 (en) | 2000-11-03 | 2003-02-11 | Broadcom Corporation | Very small swing high performance CMOS static memory (multi-port register file) with power reducing column multiplexing scheme |
| JP3983032B2 (ja) | 2001-11-09 | 2007-09-26 | 沖電気工業株式会社 | 半導体記憶装置 |
| KR100964266B1 (ko) * | 2002-03-27 | 2010-06-16 | 더 리전트 오브 더 유니버시티 오브 캘리포니아 | 저전력 고성능의 메모리셀 및 관련방법 |
| JP4278338B2 (ja) * | 2002-04-01 | 2009-06-10 | 株式会社ルネサステクノロジ | 半導体記憶装置 |
| US6873565B1 (en) * | 2003-10-10 | 2005-03-29 | Hewlett-Packard Development Company, L.P. | Dual-ported read SRAM cell with improved soft error immunity |
| US7009871B1 (en) * | 2004-08-18 | 2006-03-07 | Kabushiki Kaisha Toshiba | Stable memory cell |
-
2004
- 2004-06-30 CA CA002529667A patent/CA2529667A1/en not_active Abandoned
- 2004-06-30 EP EP04777382A patent/EP1642299A4/en not_active Withdrawn
- 2004-06-30 KR KR1020057025476A patent/KR20060040614A/ko not_active Withdrawn
- 2004-06-30 TW TW093119493A patent/TWI278862B/zh not_active IP Right Cessation
- 2004-06-30 WO PCT/US2004/021162 patent/WO2005006340A2/en not_active Ceased
- 2004-06-30 CN CNA2004800189094A patent/CN1816882A/zh active Pending
- 2004-06-30 JP JP2006517820A patent/JP2007529081A/ja active Pending
- 2004-06-30 US US10/883,581 patent/US7102915B2/en not_active Expired - Fee Related
-
2006
- 2006-06-19 US US11/471,036 patent/US7525834B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI381380B (zh) * | 2008-09-18 | 2013-01-01 | Aicestar Technology Suzhou Corp | 靜態隨機存取記憶體及其形成與控制方法 |
| TWI419160B (zh) * | 2009-01-07 | 2013-12-11 | Univ Nat Chiao Tung | 靜態隨機存取記憶體裝置 |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200518091A (en) | 2005-06-01 |
| EP1642299A2 (en) | 2006-04-05 |
| WO2005006340A3 (en) | 2005-06-30 |
| EP1642299A4 (en) | 2007-03-14 |
| CA2529667A1 (en) | 2005-01-20 |
| WO2005006340A2 (en) | 2005-01-20 |
| KR20060040614A (ko) | 2006-05-10 |
| US20050018474A1 (en) | 2005-01-27 |
| US20060233016A1 (en) | 2006-10-19 |
| CN1816882A (zh) | 2006-08-09 |
| JP2007529081A (ja) | 2007-10-18 |
| US7102915B2 (en) | 2006-09-05 |
| US7525834B2 (en) | 2009-04-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |