DE69618857T2 - Verfahren zur Prüfung eines Direktzugriffspeichers - Google Patents
Verfahren zur Prüfung eines DirektzugriffspeichersInfo
- Publication number
- DE69618857T2 DE69618857T2 DE69618857T DE69618857T DE69618857T2 DE 69618857 T2 DE69618857 T2 DE 69618857T2 DE 69618857 T DE69618857 T DE 69618857T DE 69618857 T DE69618857 T DE 69618857T DE 69618857 T2 DE69618857 T2 DE 69618857T2
- Authority
- DE
- Germany
- Prior art keywords
- random access
- access memory
- test procedure
- memory test
- procedure
- 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
Links
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
- G11C29/08—Functional testing, e.g. testing during refresh, power-on self testing [POST] or distributed testing
- G11C29/10—Test algorithms, e.g. memory scan [MScan] algorithms; Test patterns, e.g. checkerboard patterns
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/477,061 US5619460A (en) | 1995-06-07 | 1995-06-07 | Method of testing a random access memory |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69618857D1 DE69618857D1 (de) | 2002-03-14 |
DE69618857T2 true DE69618857T2 (de) | 2002-09-12 |
Family
ID=23894361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69618857T Expired - Fee Related DE69618857T2 (de) | 1995-06-07 | 1996-05-31 | Verfahren zur Prüfung eines Direktzugriffspeichers |
Country Status (5)
Country | Link |
---|---|
US (1) | US5619460A (de) |
EP (1) | EP0747906B1 (de) |
JP (1) | JP3251851B2 (de) |
DE (1) | DE69618857T2 (de) |
TW (1) | TW318954B (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100212420B1 (ko) * | 1995-09-25 | 1999-08-02 | 김영환 | 테스트회로를 내장한 캐쉬 스태틱램 |
KR0170271B1 (ko) * | 1995-12-30 | 1999-03-30 | 김광호 | 리던던트셀 테스트 제어회로를 구비하는 반도체 메모리장치 |
EP0884735B1 (de) * | 1997-05-30 | 2004-03-17 | Fujitsu Limited | Halbleiterspeicherschaltung mit einem Selektor für mehrere Wortleitungen, und Prüfverfahren dafür |
US5848008A (en) * | 1997-09-25 | 1998-12-08 | Siemens Aktiengesellschaft | Floating bitline test mode with digitally controllable bitline equalizers |
US6061285A (en) * | 1999-11-10 | 2000-05-09 | Mitsubishi Denki Kabushiki Kaisha | Semiconductor memory device capable of executing earlier command operation in test mode |
KR100338776B1 (ko) * | 2000-07-11 | 2002-05-31 | 윤종용 | 멀티 로우 어드레스 테스트 가능한 반도체 메모리 장치 및그 테스트 방법 |
JP2002074991A (ja) * | 2000-08-31 | 2002-03-15 | Fujitsu Ltd | メモリを有する半導体装置 |
TW546664B (en) * | 2001-01-17 | 2003-08-11 | Toshiba Corp | Semiconductor storage device formed to optimize test technique and redundancy technology |
US6407953B1 (en) | 2001-02-02 | 2002-06-18 | Matrix Semiconductor, Inc. | Memory array organization and related test method particularly well suited for integrated circuits having write-once memory arrays |
US6552937B2 (en) | 2001-03-28 | 2003-04-22 | Micron Technology, Inc. | Memory device having programmable column segmentation to increase flexibility in bit repair |
JP4808856B2 (ja) | 2001-04-06 | 2011-11-02 | 富士通セミコンダクター株式会社 | 半導体記憶装置 |
US6768685B1 (en) | 2001-11-16 | 2004-07-27 | Mtrix Semiconductor, Inc. | Integrated circuit memory array with fast test mode utilizing multiple word line selection and method therefor |
JP2004087040A (ja) | 2002-08-28 | 2004-03-18 | Renesas Technology Corp | 半導体装置とそのテスト方法 |
JP4297677B2 (ja) | 2002-10-29 | 2009-07-15 | 株式会社ルネサステクノロジ | 半導体装置の製造方法 |
JP2005039016A (ja) * | 2003-07-18 | 2005-02-10 | Toshiba Corp | 不揮発性半導体記憶装置、電子カード及び電子装置 |
TWI242213B (en) * | 2003-09-09 | 2005-10-21 | Winbond Electronics Corp | Device and method of leakage current cuter and memory cell and memory device thereof |
TW200512758A (en) * | 2003-09-18 | 2005-04-01 | Nanya Technology Corp | Test driving method of semiconductor memory device |
US7319623B1 (en) * | 2004-11-04 | 2008-01-15 | Spansion Llc | Method for isolating a failure site in a wordline in a memory array |
DE102004054968B4 (de) * | 2004-11-13 | 2006-11-02 | Infineon Technologies Ag | Verfahren zum Reparieren und zum Betreiben eines Speicherbauelements |
KR100666182B1 (ko) * | 2006-01-02 | 2007-01-09 | 삼성전자주식회사 | 이웃하는 워드라인들이 비연속적으로 어드레싱되는 반도체메모리 장치 및 워드라인 어드레싱 방법 |
JP2012190506A (ja) * | 2011-03-10 | 2012-10-04 | Elpida Memory Inc | 半導体装置 |
EP3021326B1 (de) * | 2014-11-17 | 2020-01-01 | EM Microelectronic-Marin SA | Vorrichtung und Verfahren, um die Prüfung eines Speicherarrays durch Anlegen einer selektiven Hemmung der Adreßeingangsleitungen zu beschleunigen. |
FR3061798B1 (fr) * | 2017-01-10 | 2019-08-02 | Dolphin Integration | Circuit de commande d'une ligne d'une matrice memoire |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4868823B1 (en) * | 1984-08-31 | 1999-07-06 | Texas Instruments Inc | High speed concurrent testing of dynamic read/write memory array |
US4654849B1 (en) * | 1984-08-31 | 1999-06-22 | Texas Instruments Inc | High speed concurrent testing of dynamic read/write memory array |
JPS62170094A (ja) * | 1986-01-21 | 1987-07-27 | Mitsubishi Electric Corp | 半導体記憶回路 |
JPH01208795A (ja) * | 1988-02-16 | 1989-08-22 | Toshiba Corp | 半導体記憶装置 |
US5327380B1 (en) * | 1988-10-31 | 1999-09-07 | Texas Instruments Inc | Method and apparatus for inhibiting a predecoder when selecting a redundant row line |
US5258954A (en) * | 1989-06-30 | 1993-11-02 | Kabushiki Kaisha Toshiba | Semiconductor memory including circuitry for driving plural word lines in a test mode |
US5185722A (en) * | 1989-11-22 | 1993-02-09 | Sharp Kabushiki Kaisha | Semiconductor memory device having a memory test circuit |
US5301155A (en) * | 1990-03-20 | 1994-04-05 | Mitsubishi Denki Kabushiki Kaisha | Multiblock semiconduction storage device including simultaneous operation of a plurality of block defect determination circuits |
US5053999A (en) * | 1990-03-28 | 1991-10-01 | Mitsubishi Denki Kabushiki Kaisha | Semiconductor memory device having redundancy and capable of sequentially selecting memory cell lines |
US5265100A (en) * | 1990-07-13 | 1993-11-23 | Sgs-Thomson Microelectronics, Inc. | Semiconductor memory with improved test mode |
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 |
US5315553A (en) * | 1991-06-10 | 1994-05-24 | Texas Instruments Incorporated | Memory circuit test system using separate ROM having test values stored therein |
JP2812004B2 (ja) * | 1991-06-27 | 1998-10-15 | 日本電気株式会社 | スタティック型ランダムアクセスメモリ装置 |
JPH05282898A (ja) * | 1992-03-30 | 1993-10-29 | Hitachi Ltd | 半導体記憶装置 |
EP0578876A1 (de) * | 1992-06-30 | 1994-01-19 | Nec Corporation | Statische Speicher mit wahlfreiem Zugriff mit Speicherzellenprüfungsanordnung |
JP3199862B2 (ja) * | 1992-08-12 | 2001-08-20 | 日本テキサス・インスツルメンツ株式会社 | 半導体記憶装置 |
JPH07153296A (ja) * | 1993-11-26 | 1995-06-16 | Nec Corp | 半導体記憶装置 |
-
1995
- 1995-06-07 US US08/477,061 patent/US5619460A/en not_active Expired - Fee Related
-
1996
- 1996-05-23 JP JP12871696A patent/JP3251851B2/ja not_active Expired - Fee Related
- 1996-05-31 DE DE69618857T patent/DE69618857T2/de not_active Expired - Fee Related
- 1996-05-31 EP EP96480071A patent/EP0747906B1/de not_active Expired - Lifetime
- 1996-06-29 TW TW085107869A patent/TW318954B/zh active
Also Published As
Publication number | Publication date |
---|---|
JP3251851B2 (ja) | 2002-01-28 |
JPH08339696A (ja) | 1996-12-24 |
DE69618857D1 (de) | 2002-03-14 |
EP0747906A3 (de) | 1999-03-17 |
EP0747906A2 (de) | 1996-12-11 |
EP0747906B1 (de) | 2002-01-30 |
TW318954B (de) | 1997-11-01 |
US5619460A (en) | 1997-04-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |