WO2001059790A1 - Testbarer festwertspeicher für datenspeicher-redundanzlogik - Google Patents
Testbarer festwertspeicher für datenspeicher-redundanzlogik Download PDFInfo
- Publication number
- WO2001059790A1 WO2001059790A1 PCT/EP2001/001211 EP0101211W WO0159790A1 WO 2001059790 A1 WO2001059790 A1 WO 2001059790A1 EP 0101211 W EP0101211 W EP 0101211W WO 0159790 A1 WO0159790 A1 WO 0159790A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- read
- memory
- data
- testable
- memory according
- Prior art date
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
-
- 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
- G11C29/12—Built-in arrangements for testing, e.g. built-in self testing [BIST] or interconnection details
- G11C29/18—Address generation devices; Devices for accessing memories, e.g. details of addressing circuits
- G11C29/24—Accessing extra cells, e.g. dummy cells or redundant cells
-
- 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
- G11C29/785—Masking faults in memories by using spares or by reconfiguring using programmable devices with redundancy programming schemes
- G11C29/789—Masking faults in memories by using spares or by reconfiguring using programmable devices with redundancy programming schemes using non-volatile cells or latches
Landscapes
- Tests Of Electronic Circuits (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01903699A EP1254461B1 (de) | 2000-02-08 | 2001-02-05 | Testbarer festwertspeicher für datenspeicher-redundanzlogik |
DE50112519T DE50112519D1 (de) | 2000-02-08 | 2001-02-05 | Testbarer festwertspeicher für datenspeicher-redundanzlogik |
KR1020027010253A KR20020074511A (ko) | 2000-02-08 | 2001-02-05 | 데이터 메모리 용장 로직용 테스트가능 롬 칩 |
JP2001559023A JP3801506B2 (ja) | 2000-02-08 | 2001-02-05 | データ記憶装置冗長論理のための検査可能な読出し専用記憶装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/500,414 US6536003B1 (en) | 2000-02-08 | 2000-02-08 | Testable read-only memory for data memory redundant logic |
US09/500,414 | 2000-02-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001059790A1 true WO2001059790A1 (de) | 2001-08-16 |
Family
ID=23989312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2001/001211 WO2001059790A1 (de) | 2000-02-08 | 2001-02-05 | Testbarer festwertspeicher für datenspeicher-redundanzlogik |
Country Status (6)
Country | Link |
---|---|
US (1) | US6536003B1 (de) |
EP (1) | EP1254461B1 (de) |
JP (1) | JP3801506B2 (de) |
KR (1) | KR20020074511A (de) |
DE (1) | DE50112519D1 (de) |
WO (1) | WO2001059790A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1369878A1 (de) * | 2002-06-04 | 2003-12-10 | Infineon Technologies AG | Vorrichtung zum Testen einer Gruppe funktionell unabhängiger Speicher und zum Ersetzen defekter Speicherworte |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10122619C1 (de) * | 2001-05-10 | 2003-02-13 | Infineon Technologies Ag | Testschaltung zum Testen einer synchronen Schaltung |
JP2003281899A (ja) * | 2002-03-22 | 2003-10-03 | Sony Corp | 半導体記憶装置とその試験方法 |
JP2004303287A (ja) * | 2003-03-28 | 2004-10-28 | Hitachi Ltd | 半導体集積回路装置 |
US7627029B2 (en) * | 2003-05-20 | 2009-12-01 | Rambus Inc. | Margin test methods and circuits |
DE102005061719B3 (de) * | 2005-12-22 | 2007-05-16 | Infineon Technologies Ag | Speichervorrichtung mit Fuse-Speicherelementen |
US7958432B2 (en) | 2007-04-11 | 2011-06-07 | International Business Machines Corporation | Verification of non volatile storage storing preserved unneeded data |
US9286933B2 (en) * | 2012-11-27 | 2016-03-15 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Systems and methods for controlled data processor operational marginalization |
WO2016031023A1 (ja) * | 2014-08-28 | 2016-03-03 | 株式会社 東芝 | 半導体記憶装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5233566A (en) * | 1989-11-16 | 1993-08-03 | Kabushiki Kaisha Toshiba | Address detector of a redundancy memory cell |
EP0702373A1 (de) * | 1994-08-26 | 1996-03-20 | STMicroelectronics Limited | Redundanter Adressenspeicher und Testverfahren dafür |
US5636161A (en) * | 1995-10-30 | 1997-06-03 | Cypress Semiconductor Corporation | Eprom bit-line interface for implementing programming, verification and testing |
US5708601A (en) * | 1993-12-09 | 1998-01-13 | Sgs-Thomson Microelectronics S.R.L. | Integrated circuitry for checking the utilization rate of redundancy memory elements in a semiconductor memory device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5153880A (en) * | 1990-03-12 | 1992-10-06 | Xicor, Inc. | Field-programmable redundancy apparatus for memory arrays |
US5278839A (en) * | 1990-04-18 | 1994-01-11 | Hitachi, Ltd. | Semiconductor integrated circuit having self-check and self-repair capabilities |
FR2716566B1 (fr) * | 1994-02-23 | 1996-04-19 | Sgs Thomson Microelectronics | Circuit de sélection d'éléments de mémoire redondants et mémoire "Flash Eeprom" comportant ledit circuit. |
US5523975A (en) * | 1995-02-08 | 1996-06-04 | Alliance Semiconductor Corporation | Redundancy scheme for monolithic memories |
US5841709A (en) * | 1995-12-29 | 1998-11-24 | Stmicroelectronics, Inc. | Memory having and method for testing redundant memory cells |
US6175936B1 (en) * | 1998-07-17 | 2001-01-16 | Lucent Technologies Inc. | Apparatus for detecting faults in multiple computer memories |
US6208570B1 (en) * | 1998-08-13 | 2001-03-27 | Texas Instruments Incorporated | Redundancy test method for a semiconductor memory |
US6181614B1 (en) * | 1999-11-12 | 2001-01-30 | International Business Machines Corporation | Dynamic repair of redundant memory array |
-
2000
- 2000-02-08 US US09/500,414 patent/US6536003B1/en not_active Expired - Lifetime
-
2001
- 2001-02-05 WO PCT/EP2001/001211 patent/WO2001059790A1/de active IP Right Grant
- 2001-02-05 DE DE50112519T patent/DE50112519D1/de not_active Expired - Lifetime
- 2001-02-05 JP JP2001559023A patent/JP3801506B2/ja not_active Expired - Fee Related
- 2001-02-05 EP EP01903699A patent/EP1254461B1/de not_active Expired - Lifetime
- 2001-02-05 KR KR1020027010253A patent/KR20020074511A/ko not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5233566A (en) * | 1989-11-16 | 1993-08-03 | Kabushiki Kaisha Toshiba | Address detector of a redundancy memory cell |
US5708601A (en) * | 1993-12-09 | 1998-01-13 | Sgs-Thomson Microelectronics S.R.L. | Integrated circuitry for checking the utilization rate of redundancy memory elements in a semiconductor memory device |
EP0702373A1 (de) * | 1994-08-26 | 1996-03-20 | STMicroelectronics Limited | Redundanter Adressenspeicher und Testverfahren dafür |
US5636161A (en) * | 1995-10-30 | 1997-06-03 | Cypress Semiconductor Corporation | Eprom bit-line interface for implementing programming, verification and testing |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1369878A1 (de) * | 2002-06-04 | 2003-12-10 | Infineon Technologies AG | Vorrichtung zum Testen einer Gruppe funktionell unabhängiger Speicher und zum Ersetzen defekter Speicherworte |
US7085972B2 (en) | 2002-06-04 | 2006-08-01 | Infineon Technologies Ag | System for testing a group of functionally independent memories and for replacing failing memory words |
Also Published As
Publication number | Publication date |
---|---|
EP1254461B1 (de) | 2007-05-23 |
EP1254461A1 (de) | 2002-11-06 |
US6536003B1 (en) | 2003-03-18 |
JP3801506B2 (ja) | 2006-07-26 |
KR20020074511A (ko) | 2002-09-30 |
JP2003523042A (ja) | 2003-07-29 |
DE50112519D1 (de) | 2007-07-05 |
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