KR910004189B1 - 정규워드선과 보조워드선을 갖춘 반도체기억장치 - Google Patents
정규워드선과 보조워드선을 갖춘 반도체기억장치 Download PDFInfo
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- KR910004189B1 KR910004189B1 KR1019870015370A KR870015370A KR910004189B1 KR 910004189 B1 KR910004189 B1 KR 910004189B1 KR 1019870015370 A KR1019870015370 A KR 1019870015370A KR 870015370 A KR870015370 A KR 870015370A KR 910004189 B1 KR910004189 B1 KR 910004189B1
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- 239000004065 semiconductor Substances 0.000 title claims description 18
- 230000000295 complement effect Effects 0.000 claims description 22
- 230000002950 deficient Effects 0.000 claims description 10
- 239000002023 wood Substances 0.000 claims 1
- 101150028119 SPD1 gene Proteins 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
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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
- 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
- G11C29/80—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved layout
- G11C29/802—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved layout by encoding redundancy signals
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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
- 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
- G11C29/84—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved access time or stability
- G11C29/844—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved access time or stability by splitting the decoders in stages
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
- Dram (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
Abstract
Description
Claims (6)
- 어드레스신호를이루는 2비트신호를 받아서 최초의 논리레벨의 비트신호와 상보형 논리레벨의 비트신호를 발생시키는 어드레스버퍼(BU)와, 상기 최초의 논리레벨의 미리 설정된 2비트신호와 이 미리 설정된 2비트신호에 대응하는 상보형 2비트신호를 받아서 디코드하여, 상기 미리 설정된 2비트신호와 대응하는 상보형 2비트신호의 다른 조합신호를 출력하는 부분디코더(PD1) 및, 상기 다른 조합신호를 받아서 불량셀에 접속된 정규워드선에 대응하는 보조워드선을 선택하도록 상기 다른 신호중 하나를 선택하는 보조워드선절환회로(SC1)로 이루어진 것을 특징으로 하는 정규워드선과 보조워드선을 갖춘 반도체기억장치.
- 제 1 항에 있어서, 상기 부분디코더(PD1)는 정규워드선의 선택 및 보조워드선의 선택에 공용으로 사용되도록 된 것을 특징으로 하는 정규워드선과 보조워드선을 갖춘 반도체기억장치.
- 제 1 항에 있어서, 상기 보조워드선절환회로(SC1)는, 퓨우즈의 절단유무에 따라 출력신호의 논리레벨을 변화시키고 그 출력신호에 의해 전송게이트회로(T11∼T18)를 제어하는 퓨우즈회로(FC11,FC12)로 구성된 것을 특징으로 하는 정규워드선과 보조워드선을 갖춘 반도체기억장치.
- 어드레스신호를 이루는 다수의 비트신호를 받아서 최초의 논리레벨의 비트신호와 상보형 논리레벨의 비트신호를 발생시키는 어드레스버퍼(BU)와, 상기 최초의 논리레벨의 미리 설정된 2비트신호와 이 미리 설정된 2비트신호에 대응하는 상보형 2비트신호를 받아 디코드하여, 상기 미리 설정된 2비트신호와 대응하는 상보형 2비트신호의 다른 조합신호를 출력하는 다수의 부분디코더(PD1∼PD4), 상기 부분디코더(PD1∼PD4)중 하나에 대응되는 디코더로부터 출력된 다른 신호를 받아 불량셀에 접속된 정규워드선에 대응하는 보조워드선을 선택하도록 상기 다른 신호중 하나를 선택하는 다수의 보조워드선절환회로(SC∼SC4) 및, 상기 보조워드선절환회로(SC1∼SC4)에 의해 선택된 신호를 받아 상기 보조워드선을 선택하도록 논리곱신호를 발생시키기 위해 선택된 신호의 논리곱을 취하는 보조디코더(DO1)로 이루어진 것을 특징으로 하는 정규워드선과 보조워드선을 갖춘 반도체기억장치.
- 제 4 항에 있어서, 상기 부분디코더(PD1∼PD4)의 각각은 정규워드선의 선택 및 보조워드선의 선택에 공용으로 사용되도록 된 것을 특징으로 하는 정규워드선과 보조워드선을 갖춘 반도체기억장치.
- 제 4 항에 있어서, 상기 보조워드선절환회로(SC1∼SC4)는 퓨우즈의 절단유무에 따라 출력신호의 논리레벨을 변화시키고 그 출력신호에 의해 전송게이트회로(T11∼T18)를 제어하는 퓨우즈회로(FC11,FC12)로 구성된 것을 특징으로 하는 정규워드선과 보조워드선을 갖춘 반도체기억장치.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62-832 | 1987-01-06 | ||
JP62000832A JPS63168900A (ja) | 1987-01-06 | 1987-01-06 | 半導体記憶装置 |
JP832 | 1987-01-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880009373A KR880009373A (ko) | 1988-09-14 |
KR910004189B1 true KR910004189B1 (ko) | 1991-06-24 |
Family
ID=11484593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019870015370A KR910004189B1 (ko) | 1987-01-06 | 1987-12-30 | 정규워드선과 보조워드선을 갖춘 반도체기억장치 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4881202A (ko) |
EP (1) | EP0274378B1 (ko) |
JP (1) | JPS63168900A (ko) |
KR (1) | KR910004189B1 (ko) |
DE (1) | DE3882150T2 (ko) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4972105A (en) * | 1989-09-22 | 1990-11-20 | The U.S. Government As Represented By The Director, National Security Agency | Programmable configurable logic memory |
GB9007796D0 (en) * | 1990-04-06 | 1990-06-06 | Foss Richard C | Dynamic memory row/column redundancy scheme |
DE4041959A1 (de) * | 1990-12-24 | 1992-06-25 | Mikroelektronik Und Technologi | Schaltungsanordnung zur erkennung des programmierzustandes von durchbrennelementen |
US5257228A (en) * | 1991-05-16 | 1993-10-26 | Texas Instruments Incorporated | Efficiency improved DRAM row redundancy circuit |
JP3339641B2 (ja) * | 1991-05-21 | 2002-10-28 | 日本テキサス・インスツルメンツ株式会社 | 半導体記憶装置 |
US5360988A (en) * | 1991-06-27 | 1994-11-01 | Hitachi, Ltd. | Semiconductor integrated circuit device and methods for production thereof |
KR940008211B1 (ko) * | 1991-08-21 | 1994-09-08 | 삼성전자 주식회사 | 반도체메모리장치의 리던던트 셀 어레이 배열방법 |
US6781895B1 (en) * | 1991-12-19 | 2004-08-24 | Kabushiki Kaisha Toshiba | Non-volatile semiconductor memory device and memory system using the same |
US5361227A (en) * | 1991-12-19 | 1994-11-01 | Kabushiki Kaisha Toshiba | Non-volatile semiconductor memory device and memory system using the same |
US5548225A (en) * | 1994-05-26 | 1996-08-20 | Texas Instruments Incorportated | Block specific spare circuit |
US5731734A (en) * | 1996-10-07 | 1998-03-24 | Atmel Corporation | Zero power fuse circuit |
US5796662A (en) * | 1996-11-26 | 1998-08-18 | International Business Machines Corporation | Integrated circuit chip with a wide I/O memory array and redundant data lines |
EP1160799A4 (en) | 1999-01-11 | 2003-02-26 | Ebara Corp | REACTION DEVICE FOR ELECTRON BEAM PROJECTION SYSTEM |
JP2000285693A (ja) | 1999-03-31 | 2000-10-13 | Matsushita Electric Ind Co Ltd | 半導体記憶装置 |
DE19922920C1 (de) * | 1999-05-19 | 2000-11-16 | Siemens Ag | Integrierter Speicher mit Redundanzfunktion |
US7116590B2 (en) * | 2004-08-23 | 2006-10-03 | Micron Technology, Inc. | Memory address repair without enable fuses |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS563499A (en) * | 1979-06-25 | 1981-01-14 | Fujitsu Ltd | Semiconductor memory device |
JPS60191500A (ja) * | 1984-03-08 | 1985-09-28 | Sharp Corp | 冗長回路 |
JPS6177946A (ja) * | 1984-09-26 | 1986-04-21 | Hitachi Ltd | 半導体記憶装置 |
US4720817A (en) * | 1985-02-26 | 1988-01-19 | Texas Instruments Incorporated | Fuse selection of predecoder output |
JPS6265300A (ja) * | 1985-09-18 | 1987-03-24 | Toshiba Corp | 半導体記憶装置 |
JPH0694267B2 (ja) * | 1990-05-24 | 1994-11-24 | タカタ株式会社 | エアバッグ装置 |
-
1987
- 1987-01-06 JP JP62000832A patent/JPS63168900A/ja active Pending
- 1987-12-29 US US07/138,800 patent/US4881202A/en not_active Expired - Fee Related
- 1987-12-30 KR KR1019870015370A patent/KR910004189B1/ko not_active IP Right Cessation
-
1988
- 1988-01-05 EP EP88100055A patent/EP0274378B1/en not_active Expired - Lifetime
- 1988-01-05 DE DE88100055T patent/DE3882150T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0274378A2 (en) | 1988-07-13 |
EP0274378A3 (en) | 1991-11-27 |
DE3882150T2 (de) | 1993-12-09 |
KR880009373A (ko) | 1988-09-14 |
JPS63168900A (ja) | 1988-07-12 |
US4881202A (en) | 1989-11-14 |
DE3882150D1 (de) | 1993-08-12 |
EP0274378B1 (en) | 1993-07-07 |
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