DE69426818T2 - Fehlertolerantes Speichergerät, insbesondere des Typs "flash EEPROM" - Google Patents
Fehlertolerantes Speichergerät, insbesondere des Typs "flash EEPROM"Info
- Publication number
- DE69426818T2 DE69426818T2 DE69426818T DE69426818T DE69426818T2 DE 69426818 T2 DE69426818 T2 DE 69426818T2 DE 69426818 T DE69426818 T DE 69426818T DE 69426818 T DE69426818 T DE 69426818T DE 69426818 T2 DE69426818 T2 DE 69426818T2
- Authority
- DE
- Germany
- Prior art keywords
- fault
- storage device
- type
- flash eeprom
- tolerant storage
- 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
- G11C29/70—Masking faults in memories by using spares or by reconfiguring
- G11C29/78—Masking faults in memories by using spares or by reconfiguring using programmable devices
- G11C29/80—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved layout
- G11C29/816—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved layout for an application-specific layout
- G11C29/82—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved layout for an application-specific layout for EEPROMs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/34—Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
-
- 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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
- G06F2201/81—Threshold
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/04—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP94830283A EP0686979B1 (de) | 1994-06-10 | 1994-06-10 | Fehlertolerantes Speichergerät, insbesondere des Typs "flash EEPROM" |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69426818D1 DE69426818D1 (de) | 2001-04-12 |
DE69426818T2 true DE69426818T2 (de) | 2001-10-18 |
Family
ID=8218466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69426818T Expired - Fee Related DE69426818T2 (de) | 1994-06-10 | 1994-06-10 | Fehlertolerantes Speichergerät, insbesondere des Typs "flash EEPROM" |
Country Status (4)
Country | Link |
---|---|
US (1) | US5682349A (de) |
EP (1) | EP0686979B1 (de) |
JP (1) | JP3725581B2 (de) |
DE (1) | DE69426818T2 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9614551D0 (en) | 1996-07-11 | 1996-09-04 | Memory Corp Plc | Memory system |
US6532556B1 (en) | 2000-01-27 | 2003-03-11 | Multi Level Memory Technology | Data management for multi-bit-per-cell memories |
US6314023B1 (en) * | 2000-06-15 | 2001-11-06 | Motorola, Inc. | Non-volatile programming elements for redundancy and identification in an integrated circuit |
US6466476B1 (en) | 2001-01-18 | 2002-10-15 | Multi Level Memory Technology | Data coding for multi-bit-per-cell memories having variable numbers of bits per memory cell |
EP1357559B1 (de) * | 2002-04-26 | 2006-06-14 | STMicroelectronics S.r.l. | Selbstreparatur-Methode für nicht flüchtige Speicher mit einer Architektur zur Fehlervermeidung sowie nicht flüchtiger Speicher |
EP1365419B1 (de) | 2002-05-21 | 2008-12-31 | STMicroelectronics S.r.l. | Selbstreparaturverfahren für nichtflüchtige Speicheranordnung mit Lösch-/Programmierfehlerdetektion, und nichtflüchtige Speicheranordnung dafür |
US6839275B2 (en) * | 2003-06-04 | 2005-01-04 | Hewlett-Packard Development Company, L.P. | Memory system having control circuit configured to receive data, provide encoded received data to match a fault pattern in the array of memory cells |
US7046555B2 (en) * | 2003-09-17 | 2006-05-16 | Sandisk Corporation | Methods for identifying non-volatile memory elements with poor subthreshold slope or weak transconductance |
US7177189B2 (en) * | 2004-03-01 | 2007-02-13 | Intel Corporation | Memory defect detection and self-repair technique |
JP2006294144A (ja) * | 2005-04-12 | 2006-10-26 | Toshiba Corp | 不揮発性半導体記憶装置 |
EP1947539A4 (de) * | 2005-09-27 | 2011-05-18 | Advantest Corp | Steuerverfahren und steuersystem |
US7545679B1 (en) * | 2007-12-28 | 2009-06-09 | Freescale Semiconductor, Inc. | Electrical erasable programmable memory transconductance testing |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0198935A1 (de) * | 1985-04-23 | 1986-10-29 | Deutsche ITT Industries GmbH | Elektrisch umprogrammierbarer Halbleiterspeicher mit Redundanz |
JPS62114200A (ja) * | 1985-11-13 | 1987-05-25 | Mitsubishi Electric Corp | 半導体メモリ装置 |
EP0403822B1 (de) * | 1989-06-19 | 1994-10-12 | Texas Instruments Incorporated | Schaltung und Verfahren zur Vorbereitung gelöschter EEPROMS vor der Programmierung |
US5233559A (en) * | 1991-02-11 | 1993-08-03 | Intel Corporation | Row redundancy for flash memories |
KR960002006B1 (ko) * | 1991-03-12 | 1996-02-09 | 가부시끼가이샤 도시바 | 2개의 기준 레벨을 사용하는 기록 검증 제어기를 갖는 전기적으로 소거 가능하고 프로그램 가능한 불휘발성 메모리 장치 |
JP3080743B2 (ja) * | 1991-12-27 | 2000-08-28 | 日本電気株式会社 | 不揮発性半導体記憶装置 |
KR960002777B1 (ko) * | 1992-07-13 | 1996-02-26 | 삼성전자주식회사 | 반도체 메모리 장치의 로우 리던던시 장치 |
FR2694404B1 (fr) * | 1992-07-31 | 1994-09-09 | Sgs Thomson Microelectronics | Procédé de mesure des tensions de seuil des cellules d'une mémoire intégrée. |
US5428621A (en) * | 1992-09-21 | 1995-06-27 | Sundisk Corporation | Latent defect handling in EEPROM devices |
US5452251A (en) * | 1992-12-03 | 1995-09-19 | Fujitsu Limited | Semiconductor memory device for selecting and deselecting blocks of word lines |
JP3212421B2 (ja) * | 1993-09-20 | 2001-09-25 | 富士通株式会社 | 不揮発性半導体記憶装置 |
-
1994
- 1994-06-10 EP EP94830283A patent/EP0686979B1/de not_active Expired - Lifetime
- 1994-06-10 DE DE69426818T patent/DE69426818T2/de not_active Expired - Fee Related
-
1995
- 1995-05-31 US US08/454,650 patent/US5682349A/en not_active Expired - Lifetime
- 1995-06-12 JP JP14503495A patent/JP3725581B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP3725581B2 (ja) | 2005-12-14 |
US5682349A (en) | 1997-10-28 |
EP0686979B1 (de) | 2001-03-07 |
DE69426818D1 (de) | 2001-04-12 |
JPH0883500A (ja) | 1996-03-26 |
EP0686979A1 (de) | 1995-12-13 |
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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 |