KR100258901B1 - 컬럼 리던던시 제어회로 - Google Patents
컬럼 리던던시 제어회로 Download PDFInfo
- Publication number
- KR100258901B1 KR100258901B1 KR1019970081265A KR19970081265A KR100258901B1 KR 100258901 B1 KR100258901 B1 KR 100258901B1 KR 1019970081265 A KR1019970081265 A KR 1019970081265A KR 19970081265 A KR19970081265 A KR 19970081265A KR 100258901 B1 KR100258901 B1 KR 100258901B1
- Authority
- KR
- South Korea
- Prior art keywords
- column
- address
- logical operation
- signal
- parity bit
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 claims abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003491 array Methods 0.000 description 1
Images
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
- G11C29/785—Masking faults in memories by using spares or by reconfiguring using programmable devices with redundancy programming schemes
- G11C29/787—Masking faults in memories by using spares or by reconfiguring using programmable devices with redundancy programming schemes using a fuse hierarchy
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/12—Bit line control circuits, e.g. drivers, boosters, pull-up circuits, pull-down circuits, precharging circuits, equalising circuits, for bit lines
Landscapes
- For Increasing The Reliability Of Semiconductor Memories (AREA)
Abstract
Description
Claims (2)
- 패리티 비트용 셀 어레이를 갖춘 반도체 메모리 소자에 있어서,인에이블신호와 컬럼 어드레스를 입력받아 논리연산하여 패리티 비트용 컬럼 어드레스의 경로를 형성하는 제 1논리연산소자와,상기 인에이블신호의 반전신호와 컬럼 퓨즈 어드레스를 입력받아 논리연산하여 패리티 비트용 컬럼 퓨즈 어드레스의 경로를 형성하는 제 2논리연산소자 및,상기 제 1 및 제 2논리연산소자의 신호를 입력받아 논리연산하여 패리티 비트용 컬럼 어드레스에 해당하는 신호 또는 컬럼 리던던시 어드레스에 해당하는 신호를 출력하는 제 3논리연산소자로 구성된 것을 특징으로 하는 컬럼 리던던시 제어회로.
- 제 1항에 있어서, 상기 제 1 내지 제 3논리연산소자는 낸드 게이트로 이루어진 것을 특징으로 하는 컬럼 리던던시 제어회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970081265A KR100258901B1 (ko) | 1997-12-31 | 1997-12-31 | 컬럼 리던던시 제어회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970081265A KR100258901B1 (ko) | 1997-12-31 | 1997-12-31 | 컬럼 리던던시 제어회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990061011A KR19990061011A (ko) | 1999-07-26 |
KR100258901B1 true KR100258901B1 (ko) | 2000-06-15 |
Family
ID=19530530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970081265A KR100258901B1 (ko) | 1997-12-31 | 1997-12-31 | 컬럼 리던던시 제어회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100258901B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114124109A (zh) * | 2021-11-24 | 2022-03-01 | 广东高标电子科技有限公司 | 一种奇偶校验电路及方法 |
-
1997
- 1997-12-31 KR KR1019970081265A patent/KR100258901B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR19990061011A (ko) | 1999-07-26 |
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