DE3938826C2 - - Google Patents
Info
- Publication number
- DE3938826C2 DE3938826C2 DE3938826A DE3938826A DE3938826C2 DE 3938826 C2 DE3938826 C2 DE 3938826C2 DE 3938826 A DE3938826 A DE 3938826A DE 3938826 A DE3938826 A DE 3938826A DE 3938826 C2 DE3938826 C2 DE 3938826C2
- Authority
- DE
- Germany
- Prior art keywords
- memory
- test
- address
- testing
- unit
- 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
- 238000012360 testing method Methods 0.000 claims description 91
- 230000015654 memory Effects 0.000 claims description 66
- 238000000034 method Methods 0.000 claims description 13
- 230000003213 activating effect Effects 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- 230000010365 information processing Effects 0.000 claims description 2
- 230000006870 function Effects 0.000 description 17
- 230000007547 defect Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 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
- G11C29/56—External testing equipment for static stores, e.g. automatic test equipment [ATE]; Interfaces therefor
Landscapes
- Techniques For Improving Reliability Of Storages (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63302395A JPH02255925A (ja) | 1988-11-30 | 1988-11-30 | メモリテスト方法および装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3938826A1 DE3938826A1 (de) | 1990-05-31 |
| DE3938826C2 true DE3938826C2 (enExample) | 1991-06-27 |
Family
ID=17908395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3938826A Granted DE3938826A1 (de) | 1988-11-30 | 1989-11-23 | Verfahren und vorrichtung zum testen eines speichers |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5109382A (enExample) |
| JP (1) | JPH02255925A (enExample) |
| DE (1) | DE3938826A1 (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5906816A (en) * | 1995-03-16 | 1999-05-25 | University Of Florida | Method for treatment of autoimmune diseases |
| JP3253296B2 (ja) * | 1989-12-20 | 2002-02-04 | セイコーエプソン株式会社 | 記憶装置及びデータ処理装置 |
| JPH04271445A (ja) * | 1990-08-02 | 1992-09-28 | Internatl Business Mach Corp <Ibm> | メモリ・テスト装置 |
| JP3050326B2 (ja) * | 1990-11-30 | 2000-06-12 | 日本電気株式会社 | 半導体集積回路 |
| EP0533375A3 (en) * | 1991-09-18 | 1993-06-23 | Ncr International Inc. | Computer system having memory testing means |
| US5513190A (en) * | 1991-10-28 | 1996-04-30 | Sequoia Semiconductor, Inc. | Built-in self-test tri-state architecture |
| TW211094B (en) * | 1992-04-30 | 1993-08-11 | American Telephone & Telegraph | Built-in self-test network |
| JP3645578B2 (ja) * | 1992-09-17 | 2005-05-11 | テキサス インスツルメンツ インコーポレイテツド | スマート・メモリの組込み自己検査のための装置と方法 |
| FR2697663B1 (fr) * | 1992-10-30 | 1995-01-13 | Hewett Packard Cy | Circuit de test de mémoire. |
| US5519659A (en) * | 1993-10-01 | 1996-05-21 | Mitsubishi Denki Kabushiki Kaisha | Semiconductor memory device having circuit for activating predetermined rows of memory cells upon detection of disturb refresh test |
| KR0141432B1 (ko) * | 1993-10-01 | 1998-07-15 | 기다오까 다까시 | 반도체 기억장치 |
| US5617531A (en) * | 1993-11-02 | 1997-04-01 | Motorola, Inc. | Data Processor having a built-in internal self test controller for testing a plurality of memories internal to the data processor |
| AU5029896A (en) * | 1995-03-31 | 1996-10-16 | Intel Corporation | Memory testing in a multiple processor computer system |
| SG89232A1 (en) * | 1996-05-14 | 2002-06-18 | Texas Instr Singapore Pte Ltd | A process of testing memory parts and equipment for conducting the testing |
| SG85066A1 (en) * | 1996-05-14 | 2001-12-19 | Texas Instr Singapore Pte Ltd | Test board and process of testing wide word memoryparts |
| US5754557A (en) * | 1996-10-10 | 1998-05-19 | Hewlett-Packard Co. | Method for refreshing a memory, controlled by a memory controller in a computer system, in a self-refresh mode while scanning the memory controller |
| US5910922A (en) * | 1997-08-05 | 1999-06-08 | Integrated Device Technology, Inc. | Method for testing data retention in a static random access memory using isolated Vcc supply |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58122700A (ja) * | 1982-01-15 | 1983-07-21 | Matsushita Electric Works Ltd | メモリチエツク回路 |
| JP2508629B2 (ja) * | 1985-02-28 | 1996-06-19 | 日本電気株式会社 | 半導体メモリ |
| JPS6267800A (ja) * | 1985-09-20 | 1987-03-27 | Hitachi Ltd | 半導体集積回路装置 |
| US4740971A (en) * | 1986-02-28 | 1988-04-26 | Advanced Micro Devices, Inc. | Tag buffer with testing capability |
| KR910001534B1 (ko) * | 1986-09-08 | 1991-03-15 | 가부시키가이샤 도시바 | 반도체기억장치 |
| JP2521774B2 (ja) * | 1987-10-02 | 1996-08-07 | 株式会社日立製作所 | メモリ内蔵型論理lsi及びそのlsiの試験方法 |
| FR2623652A1 (fr) * | 1987-11-20 | 1989-05-26 | Philips Nv | Unite de memoire statique a plusieurs modes de test et ordinateur muni de telles unites |
| US4903266A (en) * | 1988-04-29 | 1990-02-20 | International Business Machines Corporation | Memory self-test |
-
1988
- 1988-11-30 JP JP63302395A patent/JPH02255925A/ja active Pending
-
1989
- 1989-11-21 US US07/439,838 patent/US5109382A/en not_active Expired - Fee Related
- 1989-11-23 DE DE3938826A patent/DE3938826A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US5109382A (en) | 1992-04-28 |
| DE3938826A1 (de) | 1990-05-31 |
| JPH02255925A (ja) | 1990-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |