JPS56156997A - Defective bit relief circuit - Google Patents
Defective bit relief circuitInfo
- Publication number
- JPS56156997A JPS56156997A JP5858180A JP5858180A JPS56156997A JP S56156997 A JPS56156997 A JP S56156997A JP 5858180 A JP5858180 A JP 5858180A JP 5858180 A JP5858180 A JP 5858180A JP S56156997 A JPS56156997 A JP S56156997A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- defective
- memory
- defective bit
- arrays
- 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.)
- Pending
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
Landscapes
- Techniques For Improving Reliability Of Storages (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5858180A JPS56156997A (en) | 1980-05-06 | 1980-05-06 | Defective bit relief circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5858180A JPS56156997A (en) | 1980-05-06 | 1980-05-06 | Defective bit relief circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56156997A true JPS56156997A (en) | 1981-12-03 |
Family
ID=13088417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5858180A Pending JPS56156997A (en) | 1980-05-06 | 1980-05-06 | Defective bit relief circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56156997A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2539910A1 (fr) * | 1983-01-21 | 1984-07-27 | Hitachi Ltd | Dispositif de memoire a semiconducteurs |
JPH0221500A (ja) * | 1988-07-08 | 1990-01-24 | Hitachi Ltd | 欠陥救済用の冗長回路を有する半導体メモリ |
-
1980
- 1980-05-06 JP JP5858180A patent/JPS56156997A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2539910A1 (fr) * | 1983-01-21 | 1984-07-27 | Hitachi Ltd | Dispositif de memoire a semiconducteurs |
JPH0221500A (ja) * | 1988-07-08 | 1990-01-24 | Hitachi Ltd | 欠陥救済用の冗長回路を有する半導体メモリ |
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