IT1173080B - Dispositivo di memoria a semiconduttori con circuiti di ridondanza - Google Patents

Dispositivo di memoria a semiconduttori con circuiti di ridondanza

Info

Publication number
IT1173080B
IT1173080B IT19237/84A IT1923784A IT1173080B IT 1173080 B IT1173080 B IT 1173080B IT 19237/84 A IT19237/84 A IT 19237/84A IT 1923784 A IT1923784 A IT 1923784A IT 1173080 B IT1173080 B IT 1173080B
Authority
IT
Italy
Prior art keywords
memory device
semiconductor memory
redundancy circuits
redundancy
circuits
Prior art date
Application number
IT19237/84A
Other languages
English (en)
Other versions
IT8419237A0 (it
IT8419237A1 (it
Inventor
Yoshida Masahiro
Oishi Kanji
Onishi Yoshiaki
Original Assignee
Hitachi Ltd
Hitachi Microcumputer Eng
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 Hitachi Ltd, Hitachi Microcumputer Eng filed Critical Hitachi Ltd
Publication of IT8419237A0 publication Critical patent/IT8419237A0/it
Publication of IT8419237A1 publication Critical patent/IT8419237A1/it
Application granted granted Critical
Publication of IT1173080B publication Critical patent/IT1173080B/it

Links

Classifications

    • 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
    • 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
    • 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
    • G11C29/83—Masking faults in memories by using spares or by reconfiguring using programmable devices with reduced power consumption

Landscapes

  • 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)
  • Static Random-Access Memory (AREA)
IT19237/84A 1983-01-21 1984-01-19 Dispositivo di memoria a semiconduttori con circuiti di ridondanza IT1173080B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58007272A JPH0670880B2 (ja) 1983-01-21 1983-01-21 半導体記憶装置

Publications (3)

Publication Number Publication Date
IT8419237A0 IT8419237A0 (it) 1984-01-19
IT8419237A1 IT8419237A1 (it) 1985-07-19
IT1173080B true IT1173080B (it) 1987-06-18

Family

ID=11661388

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19237/84A IT1173080B (it) 1983-01-21 1984-01-19 Dispositivo di memoria a semiconduttori con circuiti di ridondanza

Country Status (10)

Country Link
US (2) US4656610A (it)
JP (1) JPH0670880B2 (it)
KR (1) KR930003814B1 (it)
DE (1) DE3401796A1 (it)
FR (1) FR2539910A1 (it)
GB (1) GB2135485B (it)
HK (1) HK2188A (it)
IT (1) IT1173080B (it)
MY (1) MY100970A (it)
SG (1) SG88487G (it)

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Also Published As

Publication number Publication date
GB2135485A (en) 1984-08-30
IT8419237A0 (it) 1984-01-19
HK2188A (en) 1988-01-15
GB8400895D0 (en) 1984-02-15
SG88487G (en) 1988-06-03
FR2539910A1 (fr) 1984-07-27
JPS59135700A (ja) 1984-08-03
KR840007306A (ko) 1984-12-06
GB2135485B (en) 1986-11-26
KR930003814B1 (ko) 1993-05-13
US4727516A (en) 1988-02-23
IT8419237A1 (it) 1985-07-19
JPH0670880B2 (ja) 1994-09-07
DE3401796A1 (de) 1984-07-26
MY100970A (en) 1991-06-15
US4656610A (en) 1987-04-07

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