KR101251676B1 - 향상된 셀 안정성을 갖는 sram 및 그 방법 - Google Patents
향상된 셀 안정성을 갖는 sram 및 그 방법 Download PDFInfo
- Publication number
- KR101251676B1 KR101251676B1 KR1020077015836A KR20077015836A KR101251676B1 KR 101251676 B1 KR101251676 B1 KR 101251676B1 KR 1020077015836 A KR1020077015836 A KR 1020077015836A KR 20077015836 A KR20077015836 A KR 20077015836A KR 101251676 B1 KR101251676 B1 KR 101251676B1
- Authority
- KR
- South Korea
- Prior art keywords
- transistor
- coupled
- storage node
- current path
- contact
- 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 - Lifetime
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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
-
- 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
- G11C11/412—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 using field-effect transistors only
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Static Random-Access Memory (AREA)
- Semiconductor Memories (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/033,934 US7161827B2 (en) | 2005-01-12 | 2005-01-12 | SRAM having improved cell stability and method therefor |
| US11/033,934 | 2005-01-12 | ||
| PCT/US2005/045208 WO2006076113A1 (en) | 2005-01-12 | 2005-12-14 | Sram having improved cell stability and method therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20070104548A KR20070104548A (ko) | 2007-10-26 |
| KR101251676B1 true KR101251676B1 (ko) | 2013-04-05 |
Family
ID=36653059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020077015836A Expired - Lifetime KR101251676B1 (ko) | 2005-01-12 | 2005-12-14 | 향상된 셀 안정성을 갖는 sram 및 그 방법 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7161827B2 (enExample) |
| JP (1) | JP5114209B2 (enExample) |
| KR (1) | KR101251676B1 (enExample) |
| WO (1) | WO2006076113A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160093456A (ko) | 2015-01-29 | 2016-08-08 | 경북대학교 산학협력단 | 반도체 메모리 장치 |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7403426B2 (en) * | 2005-05-25 | 2008-07-22 | Intel Corporation | Memory with dynamically adjustable supply |
| US7554841B2 (en) * | 2006-09-25 | 2009-06-30 | Freescale Semiconductor, Inc. | Circuit for storing information in an integrated circuit and method therefor |
| JP2008103028A (ja) * | 2006-10-19 | 2008-05-01 | Matsushita Electric Ind Co Ltd | 半導体記憶装置 |
| US7859919B2 (en) * | 2008-08-27 | 2010-12-28 | Freescale Semiconductor, Inc. | Memory device and method thereof |
| US8233341B2 (en) * | 2009-09-01 | 2012-07-31 | Texas Instruments Incorporated | Method and structure for SRAM cell trip voltage measurement |
| US9865330B2 (en) * | 2010-11-04 | 2018-01-09 | Qualcomm Incorporated | Stable SRAM bitcell design utilizing independent gate FinFET |
| US8773940B2 (en) | 2012-01-17 | 2014-07-08 | Freescale Semiconductor, Inc. | Skewed SRAM cell |
| US9263122B2 (en) * | 2013-10-21 | 2016-02-16 | Taiwan Semiconductor Manufacturing Company Ltd. | Data-controlled auxiliary branches for SRAM cell |
| US12127387B2 (en) | 2021-07-30 | 2024-10-22 | Taiwan Semiconductor Manufacturing Company, Ltd. | Gate-all-around high-density and high-speed SRAM cells |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6363011B1 (en) * | 1996-05-01 | 2002-03-26 | Cypress Semiconductor Corporation | Semiconductor non-volatile latch device including non-volatile elements |
| JP2004013923A (ja) * | 2002-06-03 | 2004-01-15 | Mitsubishi Electric Corp | 記憶回路 |
| US20040214389A1 (en) * | 2002-07-08 | 2004-10-28 | Madurawe Raminda Udaya | Semiconductor latches and SRAM devices |
| US20040238892A1 (en) * | 2002-03-19 | 2004-12-02 | Mu-Kyoung Jung | Reduced floating body effect static random access memory cells and methods for fabricating the same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04298887A (ja) * | 1991-03-26 | 1992-10-22 | Nippon Telegr & Teleph Corp <Ntt> | メモリ回路 |
| US5710742A (en) * | 1995-05-12 | 1998-01-20 | International Business Machines Corporation | High density two port SRAM cell for low voltage CMOS applications |
| US5828597A (en) * | 1997-04-02 | 1998-10-27 | Texas Instruments Incorporated | Low voltage, low power static random access memory cell |
| JP4656714B2 (ja) * | 2000-10-10 | 2011-03-23 | ルネサスエレクトロニクス株式会社 | 半導体記憶装置 |
| US6510076B1 (en) * | 2002-02-12 | 2003-01-21 | Pmc-Sierra, Inc. | Variable read/write margin high-performance soft-error tolerant SRAM bit cell |
| US6924560B2 (en) * | 2003-08-08 | 2005-08-02 | Taiwan Semiconductor Manufacturing Co., Ltd. | Compact SRAM cell with FinFET |
-
2005
- 2005-01-12 US US11/033,934 patent/US7161827B2/en not_active Expired - Lifetime
- 2005-12-14 JP JP2007550375A patent/JP5114209B2/ja not_active Expired - Fee Related
- 2005-12-14 WO PCT/US2005/045208 patent/WO2006076113A1/en not_active Ceased
- 2005-12-14 KR KR1020077015836A patent/KR101251676B1/ko not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6363011B1 (en) * | 1996-05-01 | 2002-03-26 | Cypress Semiconductor Corporation | Semiconductor non-volatile latch device including non-volatile elements |
| US20040238892A1 (en) * | 2002-03-19 | 2004-12-02 | Mu-Kyoung Jung | Reduced floating body effect static random access memory cells and methods for fabricating the same |
| JP2004013923A (ja) * | 2002-06-03 | 2004-01-15 | Mitsubishi Electric Corp | 記憶回路 |
| US20040214389A1 (en) * | 2002-07-08 | 2004-10-28 | Madurawe Raminda Udaya | Semiconductor latches and SRAM devices |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160093456A (ko) | 2015-01-29 | 2016-08-08 | 경북대학교 산학협력단 | 반도체 메모리 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20070104548A (ko) | 2007-10-26 |
| US7161827B2 (en) | 2007-01-09 |
| JP5114209B2 (ja) | 2013-01-09 |
| WO2006076113A1 (en) | 2006-07-20 |
| US20060152964A1 (en) | 2006-07-13 |
| JP2008527603A (ja) | 2008-07-24 |
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| JP2011187126A (ja) | 記憶回路 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 20070711 Patent event code: PA01051R01D Comment text: International Patent Application |
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| PG1501 | Laying open of application | ||
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20101213 Comment text: Request for Examination of Application |
|
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20120618 Patent event code: PE09021S01D |
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| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20130111 |
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| GRNT | Written decision to grant | ||
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