DE602004006848D1 - Test für schwache sram-zellen - Google Patents
Test für schwache sram-zellenInfo
- Publication number
- DE602004006848D1 DE602004006848D1 DE602004006848T DE602004006848T DE602004006848D1 DE 602004006848 D1 DE602004006848 D1 DE 602004006848D1 DE 602004006848 T DE602004006848 T DE 602004006848T DE 602004006848 T DE602004006848 T DE 602004006848T DE 602004006848 D1 DE602004006848 D1 DE 602004006848D1
- Authority
- DE
- Germany
- Prior art keywords
- ratio
- array
- cells
- bit lines
- weak
- 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
Links
- 238000001514 detection method Methods 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
- G11C29/50—Marginal testing, e.g. race, voltage or current testing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
- G11C29/50—Marginal testing, e.g. race, voltage or current testing
- G11C2029/5006—Current
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Static Random-Access Memory (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
- Tests Of Electronic Circuits (AREA)
- Semiconductor Memories (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03100633 | 2003-03-12 | ||
EP03100633 | 2003-03-12 | ||
PCT/IB2004/050192 WO2004081948A1 (en) | 2003-03-12 | 2004-03-03 | Test for weak sram cells |
Publications (2)
Publication Number | Publication Date |
---|---|
DE602004006848D1 true DE602004006848D1 (de) | 2007-07-19 |
DE602004006848T2 DE602004006848T2 (de) | 2008-02-07 |
Family
ID=32981919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004006848T Expired - Lifetime DE602004006848T2 (de) | 2003-03-12 | 2004-03-03 | Test für schwache sram-zellen |
Country Status (9)
Country | Link |
---|---|
US (1) | US7200057B2 (de) |
EP (1) | EP1606824B1 (de) |
JP (1) | JP2006520511A (de) |
KR (1) | KR101061080B1 (de) |
CN (1) | CN100437834C (de) |
AT (1) | ATE364231T1 (de) |
DE (1) | DE602004006848T2 (de) |
TW (1) | TW200428392A (de) |
WO (1) | WO2004081948A1 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7200057B2 (en) * | 2003-03-12 | 2007-04-03 | Nxp B.V. | Test for weak SRAM cells |
US7298659B1 (en) * | 2004-06-07 | 2007-11-20 | Virage Logic Corporation | Method and system for accelerated detection of weak bits in an SRAM memory device |
GB0426005D0 (en) | 2004-11-26 | 2004-12-29 | Koninkl Philips Electronics Nv | Sram test method and sram test arrangement |
US20070025167A1 (en) * | 2005-07-27 | 2007-02-01 | Marco Ziegelmayer | Method for testing a memory device, test unit for testing a memory device and memory device |
WO2007119190A2 (en) | 2006-04-13 | 2007-10-25 | Nxp B.V. | Semiconductor device identifier generation method and semiconductor device |
US7613067B2 (en) * | 2006-10-20 | 2009-11-03 | Manoj Sachdev | Soft error robust static random access memory cells |
US7606092B2 (en) * | 2007-02-01 | 2009-10-20 | Analog Devices, Inc. | Testing for SRAM memory data retention |
JP4411443B2 (ja) * | 2007-03-31 | 2010-02-10 | 国立大学法人九州工業大学 | Sramメモリセルの評価方法及びsramメモリセルの評価プログラム |
US7480192B1 (en) * | 2007-04-06 | 2009-01-20 | Xilinx, Inc. | Pull-up voltage circuit |
US7646203B2 (en) * | 2007-07-16 | 2010-01-12 | United Microelectronics Corp. | Defect detection system with multilevel output capability and method thereof |
DE102008007029B4 (de) * | 2008-01-31 | 2014-07-03 | Globalfoundries Dresden Module One Limited Liability Company & Co. Kg | Betrieb einer elektronischen Schaltung mit körpergesteuertem Doppelkanaltransistor und SRAM-Zelle mit körpergesteuertem Doppelkanaltransistor |
US7715260B1 (en) | 2008-12-01 | 2010-05-11 | United Microelectronics Corp. | Operating voltage tuning method for static random access memory |
TWI423362B (zh) * | 2008-12-09 | 2014-01-11 | United Microelectronics Corp | 靜態隨機存取記憶體的操作電壓的調整方法 |
US9842631B2 (en) * | 2012-12-14 | 2017-12-12 | Nvidia Corporation | Mitigating external influences on long signal lines |
US8976574B2 (en) | 2013-03-13 | 2015-03-10 | Qualcomm Incorporated | Process corner sensor for bit-cells |
US9959912B2 (en) | 2016-02-02 | 2018-05-01 | Qualcomm Incorporated | Timed sense amplifier circuits and methods in a semiconductor memory |
KR102471601B1 (ko) * | 2016-05-17 | 2022-11-29 | 에스케이하이닉스 주식회사 | 반도체 메모리 장치 및 그의 위크 셀 검출 방법 |
KR102517700B1 (ko) * | 2016-06-10 | 2023-04-05 | 에스케이하이닉스 주식회사 | 반도체 메모리 장치 및 그의 동작 방법 |
US10950296B2 (en) * | 2018-07-16 | 2021-03-16 | Taiwan Semiconductor Manufacturing Company, Ltd. | Latch circuit formed from bit cell |
CN111986719B (zh) * | 2020-09-10 | 2022-11-29 | 苏州兆芯半导体科技有限公司 | 电流确定方法 |
US12087387B2 (en) | 2022-03-02 | 2024-09-10 | Samsung Electronics Co., Ltd. | Methods and systems for managing read operation of memory device with single ended read path |
US12045509B2 (en) * | 2022-06-17 | 2024-07-23 | SanDisk Technologies, Inc. | Data storage device with weak bits handling |
CN115641903B (zh) * | 2022-10-19 | 2024-08-09 | 深圳市紫光同创电子有限公司 | Fpga存储单元失效分析方法、装置、电子设备以及存储介质 |
CN115938456B (zh) * | 2023-03-09 | 2023-07-25 | 长鑫存储技术有限公司 | 半导体存储装置的测试方法、装置、设备及介质 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0756759B2 (ja) * | 1990-12-27 | 1995-06-14 | 株式会社東芝 | スタティック型半導体記憶装置 |
US5559745A (en) * | 1995-09-15 | 1996-09-24 | Intel Corporation | Static random access memory SRAM having weak write test circuit |
US6501692B1 (en) * | 2001-09-17 | 2002-12-31 | Cirrus Logic, Inc. | Circuit and method for stress testing a static random access memory (SRAM) device |
US7200057B2 (en) * | 2003-03-12 | 2007-04-03 | Nxp B.V. | Test for weak SRAM cells |
KR100518579B1 (ko) * | 2003-06-05 | 2005-10-04 | 삼성전자주식회사 | 반도체 장치 및 그 테스트 방법 |
US7133319B2 (en) * | 2003-06-20 | 2006-11-07 | Hewlett-Packard Development Company, L.P. | Programmable weak write test mode (PWWTM) bias generation having logic high output default mode |
-
2004
- 2004-03-03 US US10/548,340 patent/US7200057B2/en not_active Expired - Fee Related
- 2004-03-03 KR KR1020057016826A patent/KR101061080B1/ko not_active IP Right Cessation
- 2004-03-03 JP JP2006506670A patent/JP2006520511A/ja active Pending
- 2004-03-03 CN CNB2004800065551A patent/CN100437834C/zh not_active Expired - Fee Related
- 2004-03-03 WO PCT/IB2004/050192 patent/WO2004081948A1/en active IP Right Grant
- 2004-03-03 DE DE602004006848T patent/DE602004006848T2/de not_active Expired - Lifetime
- 2004-03-03 AT AT04716681T patent/ATE364231T1/de not_active IP Right Cessation
- 2004-03-03 EP EP04716681A patent/EP1606824B1/de not_active Expired - Lifetime
- 2004-03-09 TW TW093106244A patent/TW200428392A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
TW200428392A (en) | 2004-12-16 |
US20060187724A1 (en) | 2006-08-24 |
KR20050107786A (ko) | 2005-11-15 |
EP1606824A1 (de) | 2005-12-21 |
DE602004006848T2 (de) | 2008-02-07 |
ATE364231T1 (de) | 2007-06-15 |
EP1606824B1 (de) | 2007-06-06 |
WO2004081948A1 (en) | 2004-09-23 |
CN100437834C (zh) | 2008-11-26 |
CN1759452A (zh) | 2006-04-12 |
US7200057B2 (en) | 2007-04-03 |
KR101061080B1 (ko) | 2011-09-01 |
JP2006520511A (ja) | 2006-09-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: NXP B.V., EINDHOVEN, NL |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: EISENFUEHR, SPEISER & PARTNER, 10178 BERLIN |
|
R082 | Change of representative |
Ref document number: 1606824 Country of ref document: EP Representative=s name: MUELLER - HOFFMANN & PARTNER PATENTANWAELTE, 81667 |
|
R082 | Change of representative |
Ref document number: 1606824 Country of ref document: EP Representative=s name: MUELLER - HOFFMANN & PARTNER PATENTANWAELTE, 81667 |