CN100538891C - 多端口半导体存储装置 - Google Patents
多端口半导体存储装置 Download PDFInfo
- Publication number
- CN100538891C CN100538891C CNB2005101185538A CN200510118553A CN100538891C CN 100538891 C CN100538891 C CN 100538891C CN B2005101185538 A CNB2005101185538 A CN B2005101185538A CN 200510118553 A CN200510118553 A CN 200510118553A CN 100538891 C CN100538891 C CN 100538891C
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- CN
- China
- Prior art keywords
- mentioned
- word line
- correspondence
- word
- circuit
- 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.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C8/00—Arrangements for selecting an address in a digital store
- G11C8/10—Decoders
-
- 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
- G11C11/401—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 cells needing refreshing or charge regeneration, i.e. dynamic cells
-
- 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
-
- 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
- G11C8/00—Arrangements for selecting an address in a digital store
- G11C8/16—Multiple access memory array, e.g. addressing one storage element via at least two independent addressing line groups
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Static Random-Access Memory (AREA)
Abstract
Description
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004316113A JP4731152B2 (ja) | 2004-10-29 | 2004-10-29 | 半導体記憶装置 |
JP2004316113 | 2004-10-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1783341A CN1783341A (zh) | 2006-06-07 |
CN100538891C true CN100538891C (zh) | 2009-09-09 |
Family
ID=36261651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005101185538A Expired - Fee Related CN100538891C (zh) | 2004-10-29 | 2005-10-31 | 多端口半导体存储装置 |
Country Status (5)
Country | Link |
---|---|
US (3) | US7260018B2 (zh) |
JP (1) | JP4731152B2 (zh) |
KR (1) | KR101101531B1 (zh) |
CN (1) | CN100538891C (zh) |
TW (1) | TWI379309B (zh) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090052262A1 (en) * | 2006-02-08 | 2009-02-26 | Koji Nii | Semiconductor memory device |
US8120989B2 (en) * | 2007-06-25 | 2012-02-21 | Qualcomm Incorporated | Concurrent multiple-dimension word-addressable memory architecture |
US7570537B2 (en) * | 2007-07-12 | 2009-08-04 | Sun Microsystems, Inc. | Memory cells with power switch circuit for improved low voltage operation |
JP5362198B2 (ja) | 2007-08-31 | 2013-12-11 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
US7692974B2 (en) * | 2007-09-26 | 2010-04-06 | Infineon Technologies Ag | Memory cell, memory device, device and method of accessing a memory cell |
US7859921B2 (en) * | 2008-06-09 | 2010-12-28 | International Business Machines Corporation | Apparatus and method for low power sensing in a multi-port SRAM using pre-discharged bit lines |
US7830727B2 (en) * | 2008-06-09 | 2010-11-09 | International Business Machines Corporation | Apparatus and method for low power, single-ended sensing in a multi-port SRAM using pre-discharged bit lines |
US7940599B2 (en) * | 2009-03-16 | 2011-05-10 | Freescale Semiconductor, Inc. | Dual port memory device |
US8565009B2 (en) * | 2009-04-28 | 2013-10-22 | Taiwan Semiconductor Manufacturing Company, Ltd. | Access to multi-port devices |
JP2011054255A (ja) * | 2009-09-04 | 2011-03-17 | Panasonic Corp | 半導体集積回路 |
CN102110464B (zh) * | 2009-12-26 | 2015-06-10 | 上海芯豪微电子有限公司 | 宽带读写存储器装置 |
JP5398599B2 (ja) * | 2010-03-10 | 2014-01-29 | ルネサスエレクトロニクス株式会社 | 半導体記憶装置及びそのセル活性化方法 |
US8406031B2 (en) * | 2010-04-01 | 2013-03-26 | Broadcom Corporation | Read-only memory (ROM) bitcell, array, and architecture |
US8284593B2 (en) * | 2010-04-14 | 2012-10-09 | Freescale Semiconductor, Inc. | Multi-port memory having a variable number of used write ports |
KR101095742B1 (ko) * | 2010-04-28 | 2011-12-21 | 주식회사 하이닉스반도체 | 반도체 메모리 장치 |
WO2011161798A1 (ja) * | 2010-06-24 | 2011-12-29 | 富士通株式会社 | 半導体記憶装置及び半導体記憶装置の制御方法 |
JP2012195031A (ja) * | 2011-03-16 | 2012-10-11 | Toshiba Corp | 半導体記憶装置 |
US8755239B2 (en) * | 2011-11-17 | 2014-06-17 | Texas Instruments Incorporated | Read assist circuit for an SRAM |
TWI478173B (zh) * | 2012-11-28 | 2015-03-21 | Winbond Electronics Corp | 列解碼電路 |
US8964499B2 (en) * | 2013-02-21 | 2015-02-24 | Winbond Electronics Corp. | Row decoding circuit |
JP2013152778A (ja) * | 2013-02-28 | 2013-08-08 | Qualcomm Inc | 並列多次元ワードアドレス可能メモリアーキテクチャ |
US9165623B2 (en) * | 2013-10-13 | 2015-10-20 | Taiwan Semiconductor Manufacturing Company Limited | Memory arrangement |
CN104900255B (zh) * | 2014-03-03 | 2018-03-09 | 台湾积体电路制造股份有限公司 | 用于双端口sram的升压系统 |
CN105097015B (zh) * | 2014-04-30 | 2018-02-23 | 中芯国际集成电路制造(上海)有限公司 | 双端口sram |
CN105635067B (zh) * | 2014-11-04 | 2019-11-15 | 华为技术有限公司 | 报文发送方法及装置 |
US9812189B2 (en) * | 2015-06-04 | 2017-11-07 | Intel Corporation | Read and write apparatus and method for a dual port memory |
CN106251905B (zh) * | 2015-06-05 | 2019-11-26 | 円星科技股份有限公司 | 多端口sram模块及其控制方法 |
JP2017212021A (ja) * | 2016-05-24 | 2017-11-30 | 東芝メモリ株式会社 | 半導体記憶装置 |
US10236043B2 (en) * | 2016-06-06 | 2019-03-19 | Altera Corporation | Emulated multiport memory element circuitry with exclusive-OR based control circuitry |
WO2018088137A1 (ja) | 2016-11-09 | 2018-05-17 | 株式会社ソシオネクスト | 半導体記憶装置 |
CN110021327B (zh) * | 2018-01-10 | 2021-01-12 | 力旺电子股份有限公司 | 由差动存储器胞组成的非易失性存储器 |
US11152057B2 (en) * | 2018-07-16 | 2021-10-19 | Taiwan Semiconductor Manufacturing Company, Ltd. | SRAM memory |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01178193A (ja) * | 1988-01-07 | 1989-07-14 | Toshiba Corp | 半導体記憶装置 |
JPH0492290A (ja) * | 1990-08-07 | 1992-03-25 | Seiko Epson Corp | 半導体記憶装置 |
JP3085401B2 (ja) * | 1990-11-21 | 2000-09-11 | 株式会社日立製作所 | マルチポートメモリ |
JP3101336B2 (ja) * | 1991-02-22 | 2000-10-23 | 富士通株式会社 | 半導体集積記憶回路 |
JPH05109279A (ja) * | 1991-03-19 | 1993-04-30 | Fujitsu Ltd | マルチポートメモリ |
JPH07141859A (ja) * | 1993-06-30 | 1995-06-02 | Kawasaki Steel Corp | デュアルポートram |
JPH097373A (ja) * | 1995-06-20 | 1997-01-10 | Oki Electric Ind Co Ltd | 半導体記憶装置 |
JPH1021687A (ja) * | 1996-07-03 | 1998-01-23 | Sony Corp | 半導体記憶装置 |
JPH11261017A (ja) * | 1998-03-16 | 1999-09-24 | Fujitsu Ltd | 半導体記憶装置 |
JP3871813B2 (ja) * | 1998-08-10 | 2007-01-24 | 株式会社ルネサステクノロジ | マルチポートメモリ、データプロセッサ及びデータ処理システム |
JP4171201B2 (ja) * | 2001-10-23 | 2008-10-22 | 松下電器産業株式会社 | 半導体記憶装置 |
US6738306B2 (en) * | 2002-09-13 | 2004-05-18 | Lattice Semiconductor Corporation | SRAM cell with single-ended and differential read/write ports |
-
2004
- 2004-10-29 JP JP2004316113A patent/JP4731152B2/ja not_active Expired - Fee Related
-
2005
- 2005-10-17 TW TW094136144A patent/TWI379309B/zh not_active IP Right Cessation
- 2005-10-17 US US11/250,407 patent/US7260018B2/en not_active Expired - Fee Related
- 2005-10-28 KR KR1020050102491A patent/KR101101531B1/ko not_active IP Right Cessation
- 2005-10-31 CN CNB2005101185538A patent/CN100538891C/zh not_active Expired - Fee Related
-
2007
- 2007-07-16 US US11/826,493 patent/US7411860B2/en not_active Expired - Fee Related
-
2008
- 2008-07-21 US US12/219,350 patent/US7570540B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP4731152B2 (ja) | 2011-07-20 |
JP2006127669A (ja) | 2006-05-18 |
KR20060052337A (ko) | 2006-05-19 |
TWI379309B (en) | 2012-12-11 |
US20070263435A1 (en) | 2007-11-15 |
KR101101531B1 (ko) | 2012-01-04 |
US7260018B2 (en) | 2007-08-21 |
US7411860B2 (en) | 2008-08-12 |
TW200617961A (en) | 2006-06-01 |
US7570540B2 (en) | 2009-08-04 |
CN1783341A (zh) | 2006-06-07 |
US20080291769A1 (en) | 2008-11-27 |
US20060092740A1 (en) | 2006-05-04 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: RENESAS ELECTRONICS CORPORATION Free format text: FORMER OWNER: RENESAS TECHNOLOGY CORP. Effective date: 20101019 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: TOKYO TO, JAPAN TO: KAWASAKI CITY, KANAGAWA PREFECTURE, JAPAN |
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TR01 | Transfer of patent right |
Effective date of registration: 20101019 Address after: Kawasaki, Kanagawa, Japan Patentee after: Renesas Electronics Corporation Address before: Tokyo, Japan, Japan Patentee before: Renesas Technology Corp. |
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20131031 |