KR100370232B1 - 결함 셀을 리던던시 셀로의 대체를 반복 수행할 수 있는 리던던시 회로 - Google Patents
결함 셀을 리던던시 셀로의 대체를 반복 수행할 수 있는 리던던시 회로 Download PDFInfo
- Publication number
- KR100370232B1 KR100370232B1 KR10-1999-0015204A KR19990015204A KR100370232B1 KR 100370232 B1 KR100370232 B1 KR 100370232B1 KR 19990015204 A KR19990015204 A KR 19990015204A KR 100370232 B1 KR100370232 B1 KR 100370232B1
- Authority
- KR
- South Korea
- Prior art keywords
- redundancy
- cell
- defective
- fuse
- signal
- 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 - Fee Related
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
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
- G11C29/08—Functional testing, e.g. testing during refresh, power-on self testing [POST] or distributed testing
- G11C29/12—Built-in arrangements for testing, e.g. built-in self testing [BIST] or interconnection details
- G11C29/18—Address generation devices; Devices for accessing memories, e.g. details of addressing circuits
- G11C29/24—Accessing extra cells, e.g. dummy cells or redundant cells
-
- 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
- G11C29/838—Masking faults in memories by using spares or by reconfiguring using programmable devices with substitution of defective spares
Landscapes
- For Increasing The Reliability Of Semiconductor Memories (AREA)
Abstract
Description
Claims (6)
- 복수개의 노말 메모리 셀들과 복수개의 리던던시 셀들로 구성되는 메모리 셀 블락 및 상기 노말 메모리 셀들 중 결함 셀들을 구제하기 위하여 상기 리던던시 셀들로 대체하는 리던던시 회로를 갖는 반도체 메모리 장치에 있어서, 상기 리던던시 회로는소정의 제1 메인 퓨즈를 가지고 상기 제1 메인 퓨즈의 절단상태에 의하여 상기 결함 셀을 상기 리던던시 셀들 중의 어느 하나인 제1 리던던시 셀로의 교체를 지시하는 제1 리던던시 신호를 발생하는 제1 퓨즈 블락; 및소정의 제2 메인 퓨즈를 가지고 상기 제2 메인 퓨즈의 절단상태에 의하여 상기 교체된 제1 리던던시 셀이 불량인 경우 상기 제1 리던던시 셀로의 교체를 해제하는 제2 리던던시 신호를 발생하는 제2 퓨즈 블락을 구비하며,상기 제1 리던던시 셀로의 교체를 해제할 때 상기 결함 셀을 상기 리던던시 셀들 중 다른 하나인 제2 리던던시 셀로 교체하고, 상기 제1 및 제2 퓨즈 블락 각각은 소정의 퓨즈를 가지고 상기 반도체 메모리 장치가 활성화되는 시작 시점에서 발생되는 소정의 펄스신호에 응답하여 상기 퓨즈의 절단상태에 의하여 제1 및 제2 리던던시 신호를 발생하는 것을 특징으로 하는 리던던시 회로.
- 삭제
- 제 1항에 있어서, 상기 리던던시 회로는상기 제1 및 제2 리던던시 신호에 응답하여 리던던시 인에이블 신호를 발생하는 리던던시 제어부; 및상기 리던던시 인에이블 신호에 응답하여 상기 결함 셀의 어드레스에 대응하는 상기 리던던시 셀을 선택하는 리던던시 셀 선택 신호를 발생하는 리던던시 디코딩부를 더 구비하는 것을 특징으로 하는 리던던시 회로.
- 삭제
- 제3 항에 있어서, 상기 리던던시 디코딩부는상기 메모리 셀의 어드레스 신호와 각각 연결되는 다수개의 퓨즈들을 가지고상기 결함 셀의 어드레스에 대응하여 상기 다수개의 퓨즈들이 선택적으로 절단되어, 상기 리던던시 인에이블 신호에 응답하여 상기 리던던시 셀 선택 신호를 발생하는 것을 특징으로 하는 리던던시 회로.
- 제3 항에 있어서, 상기 리던던시 디코딩부는상기 제1 리던던시 셀로의 교체를 해제할 때 상기 리던던시 인에이블 신호에 응답하여 상기 결함 셀의 어드레스에 대응되는 리던던시 어드레스를 비활성화시키는 것을 특징으로 리던던시 회로.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1999-0015204A KR100370232B1 (ko) | 1999-04-28 | 1999-04-28 | 결함 셀을 리던던시 셀로의 대체를 반복 수행할 수 있는 리던던시 회로 |
US09/478,267 US6191984B1 (en) | 1999-04-28 | 2000-01-05 | Redundancy circuit capable of disabling use of redundant memory cells that are defective |
US09/768,864 US6363021B2 (en) | 1999-04-28 | 2001-01-23 | Redundancy method capable of disabling and replacing redundant memory cells that are defective |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1999-0015204A KR100370232B1 (ko) | 1999-04-28 | 1999-04-28 | 결함 셀을 리던던시 셀로의 대체를 반복 수행할 수 있는 리던던시 회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000067411A KR20000067411A (ko) | 2000-11-15 |
KR100370232B1 true KR100370232B1 (ko) | 2003-01-29 |
Family
ID=19582641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1999-0015204A Expired - Fee Related KR100370232B1 (ko) | 1999-04-28 | 1999-04-28 | 결함 셀을 리던던시 셀로의 대체를 반복 수행할 수 있는 리던던시 회로 |
Country Status (2)
Country | Link |
---|---|
US (2) | US6191984B1 (ko) |
KR (1) | KR100370232B1 (ko) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3542525B2 (ja) * | 1999-07-23 | 2004-07-14 | 日本電気株式会社 | 半導体記憶装置 |
KR100586068B1 (ko) * | 1999-12-20 | 2006-06-07 | 매그나칩 반도체 유한회사 | 메모리장치의 리페어 회로 |
DE10109335C2 (de) * | 2001-02-27 | 2002-12-19 | Infineon Technologies Ag | Integriertes Halbleiterspeicherbauelement |
US6434077B1 (en) * | 2001-03-13 | 2002-08-13 | Mosaid Technologies, Inc. | Method and apparatus for selectively disabling logic in a semiconductor device |
US7120068B2 (en) * | 2002-07-29 | 2006-10-10 | Micron Technology, Inc. | Column/row redundancy architecture using latches programmed from a look up table |
US6906969B2 (en) * | 2002-09-24 | 2005-06-14 | Infineon Technologies Aktiengesellschaft | Hybrid fuses for redundancy |
US20060001669A1 (en) | 2002-12-02 | 2006-01-05 | Sehat Sutardja | Self-reparable semiconductor and method thereof |
US7185225B2 (en) * | 2002-12-02 | 2007-02-27 | Marvell World Trade Ltd. | Self-reparable semiconductor and method thereof |
US7340644B2 (en) * | 2002-12-02 | 2008-03-04 | Marvell World Trade Ltd. | Self-reparable semiconductor and method thereof |
KR100583107B1 (ko) * | 2002-12-21 | 2006-05-23 | 주식회사 하이닉스반도체 | 리페어 회로 |
KR100904463B1 (ko) * | 2002-12-30 | 2009-06-24 | 주식회사 하이닉스반도체 | 반도체 메모리 장치 |
US6972613B2 (en) * | 2003-09-08 | 2005-12-06 | Infineon Technologies Ag | Fuse latch circuit with non-disruptive re-interrogation |
US7427852B2 (en) * | 2004-09-03 | 2008-09-23 | Texas Instruments Incorporated | Low power control mode for power supply |
KR100687042B1 (ko) * | 2005-05-31 | 2007-02-26 | 삼성전자주식회사 | 안티퓨즈 회로 및 안티퓨즈 방법 |
US8339880B2 (en) * | 2008-02-22 | 2012-12-25 | Hynix Semiconductor Inc. | Circuit for controlling redundancy in semiconductor memory apparatus |
JP5299014B2 (ja) * | 2009-03-25 | 2013-09-25 | 富士通セミコンダクター株式会社 | 電気フューズ切断制御回路および半導体装置 |
US8718079B1 (en) | 2010-06-07 | 2014-05-06 | Marvell International Ltd. | Physical layer devices for network switches |
JP6511739B2 (ja) * | 2014-06-20 | 2019-05-15 | 富士通株式会社 | 冗長システムおよび冗長化方法 |
US10269444B2 (en) * | 2016-12-21 | 2019-04-23 | Sandisk Technologies Llc | Memory with bit line short circuit detection and masking of groups of bad bit lines |
CN111916138A (zh) * | 2019-05-10 | 2020-11-10 | 北京兆易创新科技股份有限公司 | 一种提供冗余位线的方法和装置 |
CN113569517B (zh) * | 2021-06-29 | 2024-02-23 | 南方电网科学研究院有限责任公司 | 一种减小列冗余替换电路面积的电路及芯片 |
Citations (4)
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JPH0817197A (ja) * | 1994-06-30 | 1996-01-19 | Fujitsu Ltd | 半導体記憶装置 |
JPH09180492A (ja) * | 1995-12-26 | 1997-07-11 | Sony Corp | 半導体記憶装置 |
JPH09213096A (ja) * | 1996-02-02 | 1997-08-15 | Matsushita Electron Corp | 半導体記憶装置 |
US5699306A (en) * | 1995-01-28 | 1997-12-16 | Samsung Electronics Co., Ltd. | Row redundancy for nonvolatile semiconductor memories |
Family Cites Families (8)
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US5471426A (en) * | 1992-01-31 | 1995-11-28 | Sgs-Thomson Microelectronics, Inc. | Redundancy decoder |
KR950000275B1 (ko) | 1992-05-06 | 1995-01-12 | 삼성전자 주식회사 | 반도체 메모리 장치의 컬럼 리던던시 |
EP0646866A3 (en) * | 1993-09-30 | 1998-05-27 | STMicroelectronics, Inc. | Redundant line decoder master enable |
KR0130030B1 (ko) * | 1994-08-25 | 1998-10-01 | 김광호 | 반도체 메모리 장치의 컬럼 리던던시 회로 및 그 방법 |
KR100192574B1 (ko) * | 1995-10-04 | 1999-06-15 | 윤종용 | 디코디드 퓨즈를 사용한 반도체 메모리 장치의 컬럼 리던던시 회로 |
US5828624A (en) * | 1996-12-23 | 1998-10-27 | Cypress Semiconductor Corporation | Decoder circuit and method for disabling a number of columns or rows in a memory |
US5999463A (en) * | 1997-07-21 | 1999-12-07 | Samsung Electronics Co., Ltd. | Redundancy fuse box and semiconductor device including column redundancy fuse box shared by a plurality of memory blocks |
US6041000A (en) * | 1998-10-30 | 2000-03-21 | Stmicroelectronics, Inc. | Initialization for fuse control |
-
1999
- 1999-04-28 KR KR10-1999-0015204A patent/KR100370232B1/ko not_active Expired - Fee Related
-
2000
- 2000-01-05 US US09/478,267 patent/US6191984B1/en not_active Expired - Lifetime
-
2001
- 2001-01-23 US US09/768,864 patent/US6363021B2/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0817197A (ja) * | 1994-06-30 | 1996-01-19 | Fujitsu Ltd | 半導体記憶装置 |
US5699306A (en) * | 1995-01-28 | 1997-12-16 | Samsung Electronics Co., Ltd. | Row redundancy for nonvolatile semiconductor memories |
JPH09180492A (ja) * | 1995-12-26 | 1997-07-11 | Sony Corp | 半導体記憶装置 |
JPH09213096A (ja) * | 1996-02-02 | 1997-08-15 | Matsushita Electron Corp | 半導体記憶装置 |
Also Published As
Publication number | Publication date |
---|---|
US6363021B2 (en) | 2002-03-26 |
KR20000067411A (ko) | 2000-11-15 |
US6191984B1 (en) | 2001-02-20 |
US20010007535A1 (en) | 2001-07-12 |
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