TW344072B - Redundant recovery circuit - Google Patents

Redundant recovery circuit

Info

Publication number
TW344072B
TW344072B TW085105100A TW85105100A TW344072B TW 344072 B TW344072 B TW 344072B TW 085105100 A TW085105100 A TW 085105100A TW 85105100 A TW85105100 A TW 85105100A TW 344072 B TW344072 B TW 344072B
Authority
TW
Taiwan
Prior art keywords
memory cell
information stored
cell group
data storage
group
Prior art date
Application number
TW085105100A
Other languages
English (en)
Inventor
Tomoyuki Kawai
Tsuyoshi Inoue
Original Assignee
Sharp Kk
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sharp Kk filed Critical Sharp Kk
Application granted granted Critical
Publication of TW344072B publication Critical patent/TW344072B/zh

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
    • G11C29/80—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved layout
    • G11C29/808—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved layout using a flexible replacement scheme
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • 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
    • G11C29/816—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved layout for an application-specific layout
    • G11C29/822—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved layout for an application-specific layout for read only memories

Landscapes

  • For Increasing The Reliability Of Semiconductor Memories (AREA)
  • Read Only Memory (AREA)
  • Dram (AREA)
TW085105100A 1995-09-29 1996-04-29 Redundant recovery circuit TW344072B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25404295A JP3230795B2 (ja) 1995-09-29 1995-09-29 読み出し専用半導体記憶装置

Publications (1)

Publication Number Publication Date
TW344072B true TW344072B (en) 1998-11-01

Family

ID=17259434

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085105100A TW344072B (en) 1995-09-29 1996-04-29 Redundant recovery circuit

Country Status (6)

Country Link
US (1) US5764575A (zh)
EP (1) EP0766176B1 (zh)
JP (1) JP3230795B2 (zh)
KR (1) KR100208045B1 (zh)
DE (1) DE69629430T2 (zh)
TW (1) TW344072B (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0172378B1 (ko) * 1995-12-30 1999-03-30 김광호 불휘발성 반도체 메모리소자
JP3452497B2 (ja) * 1997-12-02 2003-09-29 シャープ株式会社 半導体記憶装置
US6227637B1 (en) * 1998-05-14 2001-05-08 Lsi Logic Corporation Circuit and method for encoding and retrieving a bit of information
US6173357B1 (en) * 1998-06-30 2001-01-09 Shinemore Technology Corp. External apparatus for combining partially defected synchronous dynamic random access memories
JP3853981B2 (ja) * 1998-07-02 2006-12-06 株式会社東芝 半導体記憶装置の製造方法
KR100761395B1 (ko) * 2006-06-29 2007-09-27 주식회사 하이닉스반도체 반도체 메모리 장치
US7672150B2 (en) * 2007-09-27 2010-03-02 Infineon Technologies Ag Apparatus, embedded memory, address decoder, method of reading out data and method of configuring a memory
KR102108838B1 (ko) * 2013-06-18 2020-05-11 삼성전자주식회사 임베디드 메모리 장치 및 그것을 포함한 메모리 컨트롤러

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01184796A (ja) * 1988-01-19 1989-07-24 Nec Corp 半導体メモリ装置
DE68928112T2 (de) * 1988-03-18 1997-11-20 Toshiba Kawasaki Kk Masken-rom mit Ersatzspeicherzellen
DE69032844T2 (de) * 1989-01-31 1999-05-12 Fujitsu Ltd., Kawasaki, Kanagawa Halbleiterspeicher mit Einrichtung zum Ersetzen defekter Speicherzellen
US5075890A (en) * 1989-05-02 1991-12-24 Kabushiki Kaisha Toshiba Electrically erasable programmable read-only memory with nand cell
JP2509730B2 (ja) * 1989-08-11 1996-06-26 株式会社東芝 半導体メモリ装置及びその製造方法
JP2632089B2 (ja) * 1990-06-07 1997-07-16 三菱電機株式会社 半導体回路装置
EP0465808B1 (en) * 1990-06-19 1998-07-29 Texas Instruments Incorporated Variable size set associative DRAM redundancy scheme
JPH04103099A (ja) * 1990-08-23 1992-04-06 Toshiba Corp 半導体記憶装置
JP2624569B2 (ja) * 1990-10-22 1997-06-25 シャープ株式会社 読出し専用メモリ
US5132933A (en) * 1990-12-21 1992-07-21 Schreck John F Bias circuitry for nonvolatile memory array
JPH05109292A (ja) * 1991-10-14 1993-04-30 Toshiba Corp 不揮発性半導体記憶装置
JP2981346B2 (ja) * 1992-08-31 1999-11-22 シャープ株式会社 読み出し専用半導体記憶装置
JPH06275095A (ja) * 1993-03-18 1994-09-30 Fujitsu Ltd 半導体記憶装置及び冗長アドレス書込方法

Also Published As

Publication number Publication date
KR970017688A (ko) 1997-04-30
US5764575A (en) 1998-06-09
JPH0997498A (ja) 1997-04-08
EP0766176B1 (en) 2003-08-13
EP0766176A2 (en) 1997-04-02
DE69629430D1 (de) 2003-09-18
JP3230795B2 (ja) 2001-11-19
EP0766176A3 (en) 1999-07-14
DE69629430T2 (de) 2004-06-09
KR100208045B1 (ko) 1999-07-15

Similar Documents

Publication Publication Date Title
TW345660B (en) Stabilization circuits and techniques for storage and retrieval of single or multiple digital bits per memory cell
GB2265031B (en) Row redundancy circuit for a semiconductor memory device
TW331007B (en) Semiconductor memory device
WO2001069603A3 (en) Multiple bank simultaneous operation for a flash memory
EP0389203A3 (en) Semiconductor memory device having information indicative of presence of defective memory cells
EP0836142A3 (en) Semiconductor memory capable of mapping bad blocks
EP0797212A3 (en) Semiconductor device and memory system
FR2787233B1 (fr) Procede pour verifier l'integrite des circuits de decodage d'une memoire
GB2277181A (en) Interleaved cache for multiple accesses per clock in a microprocessor
CA2015430A1 (en) Data exchange apparatus
EP0918335A3 (en) Content-addressable memory
EP0504434A4 (zh)
WO1998041931A8 (en) Method for implementing an associative memory based on a digital trie structure
DE69815308D1 (de) Dram mit integralem sram sowie systeme und verfahren zu deren benutzung
EP0740305A3 (en) High read speed multivalued read only memory device
EP0388648A3 (en) Cell switching system for the time division multiplex communication
CA2242740A1 (en) Data processing method and apparatus
EP0772202A3 (en) Memory device with reduced number of fuses
KR940026948A (ko) 결함구제회로
TW374171B (en) Read-only-memory (ROM)
TW344072B (en) Redundant recovery circuit
MY120522A (en) Redundant memory array.
CA2114857A1 (en) Data Queueing Apparatus and ATM Cell Switch Based on Shifting and Searching
EP0586114A3 (en) A semiconductor read only memory
US4744053A (en) ROM with mask programmable page configuration

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees