KR970071842A - A volatile semiconductor memory device having improved low redundancy efficiency - Google Patents
A volatile semiconductor memory device having improved low redundancy efficiency Download PDFInfo
- Publication number
- KR970071842A KR970071842A KR1019960012913A KR19960012913A KR970071842A KR 970071842 A KR970071842 A KR 970071842A KR 1019960012913 A KR1019960012913 A KR 1019960012913A KR 19960012913 A KR19960012913 A KR 19960012913A KR 970071842 A KR970071842 A KR 970071842A
- Authority
- KR
- South Korea
- Prior art keywords
- redundancy
- word line
- switching unit
- cells
- block selection
- Prior art date
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
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- For Increasing The Reliability Of Semiconductor Memories (AREA)
Abstract
1. 청구 범위에 기재된 발명이 속한 기술분야1. Technical field to which the invention described in the claims belongs
휘발성 반도체 메모리 장치.Volatile semiconductor memory device.
2. 발명이 해결하려고 하는 기술적 과제2. Technical Challenges to be Solved by the Invention
로우방향의 리던던시 스킴에 대한 효율을 제공하는 휘발성 반도체 메모리장치를 제공한다.The present invention provides a volatile semiconductor memory device that provides efficiency for a redundancy scheme in the row direction.
3. 발명의 해결방법의 요지3. The point of the solution of the invention
로우방향의 리던던시 스킴을 위해 하나의 스페어 워드라인을 다수의 메모리 셀 블럭내의 리던던시 용 메모리셀들이 공유하는 형태로 되어 있는 휘발성 반도체 메모리장치는: 상기 스페어 워드라인마다 설치되어 블럭선택 신호 및 상기 블럭선택 신호의 상보신호에 응답하는 스위칭부를 구비하여, 인접 메모리 셀 블럭간에 동일 로우 어드레스에 대응되는 노말 메모리 셀들이 결함될시에도 리페어를 가능하게 한 것을 특징으로 한다.A volatile semiconductor memory device in which one spare word line is shared by redundancy memory cells in a plurality of memory cell blocks for a redundancy scheme in the row direction includes: a block selection signal provided for each of the spare word lines, And a switching unit for responding to a complementary signal of the signal so that repair can be performed even when normal memory cells corresponding to the same row address are defective between adjacent memory cell blocks.
4. 발명의 중요한 용도4. Important Uses of the Invention
개선된 로우 리던던시 효율을 가지는 휘발성 반도체 메모리 장치로서 사용된다.And is used as a volatile semiconductor memory device having an improved low redundancy efficiency.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.
제5도는 본 발명의 구체적 실시예에 따른 휘발성 반도체 메모리 장치의 로우 리던던시 관련 블럭도, 제6도는 제5도중 로우 퓨즈 발생기 10와 스위칭부 100의 연결관계를 나타낸 구체 회로도.FIG. 5 is a block diagram showing a low redundancy related block diagram of a volatile semiconductor memory device according to a specific embodiment of the present invention, and FIG. 6 is a specific circuit diagram showing a connection relationship between the low fuse generator 10 and the switching unit 100 in FIG.
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960012913A KR100206699B1 (en) | 1996-04-25 | 1996-04-25 | Volatile memory device having improved row redundancy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960012913A KR100206699B1 (en) | 1996-04-25 | 1996-04-25 | Volatile memory device having improved row redundancy |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970071842A true KR970071842A (en) | 1997-11-07 |
KR100206699B1 KR100206699B1 (en) | 1999-07-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1019960012913A KR100206699B1 (en) | 1996-04-25 | 1996-04-25 | Volatile memory device having improved row redundancy |
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KR (1) | KR100206699B1 (en) |
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KR102250936B1 (en) | 2020-11-09 | 2021-05-13 | 정구선 | Anchor device for concrete bridge pier copping |
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1996
- 1996-04-25 KR KR1019960012913A patent/KR100206699B1/en not_active IP Right Cessation
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Publication number | Publication date |
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KR100206699B1 (en) | 1999-07-01 |
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