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JPS51146129A - Memory device - Google Patents

Memory device

Info

Publication number
JPS51146129A
JPS51146129A JP50069551A JP6955175A JPS51146129A JP S51146129 A JPS51146129 A JP S51146129A JP 50069551 A JP50069551 A JP 50069551A JP 6955175 A JP6955175 A JP 6955175A JP S51146129 A JPS51146129 A JP S51146129A
Authority
JP
Japan
Prior art keywords
memory device
defect
enables
memory
memory elements
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.)
Granted
Application number
JP50069551A
Other languages
Japanese (ja)
Other versions
JPS5723360B2 (en
Inventor
Kazuya Hashimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 filed Critical Hitachi Ltd
Priority to JP50069551A priority Critical patent/JPS51146129A/en
Publication of JPS51146129A publication Critical patent/JPS51146129A/en
Publication of JPS5723360B2 publication Critical patent/JPS5723360B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • For Increasing The Reliability Of Semiconductor Memories (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Hardware Redundancy (AREA)

Abstract

PURPOSE: A memory device, that enables to use two memory elements having defect as normal memories.
COPYRIGHT: (C)1976,JPO&Japio
JP50069551A 1975-06-11 1975-06-11 Memory device Granted JPS51146129A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50069551A JPS51146129A (en) 1975-06-11 1975-06-11 Memory device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50069551A JPS51146129A (en) 1975-06-11 1975-06-11 Memory device

Publications (2)

Publication Number Publication Date
JPS51146129A true JPS51146129A (en) 1976-12-15
JPS5723360B2 JPS5723360B2 (en) 1982-05-18

Family

ID=13405963

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50069551A Granted JPS51146129A (en) 1975-06-11 1975-06-11 Memory device

Country Status (1)

Country Link
JP (1) JPS51146129A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5860489A (en) * 1981-10-06 1983-04-09 Nippon Telegr & Teleph Corp <Ntt> Memory circuit

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6185249U (en) * 1984-11-12 1986-06-04
JP4878298B2 (en) * 2007-01-30 2012-02-15 シャープ株式会社 Semiconductor memory device and electronic device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5860489A (en) * 1981-10-06 1983-04-09 Nippon Telegr & Teleph Corp <Ntt> Memory circuit

Also Published As

Publication number Publication date
JPS5723360B2 (en) 1982-05-18

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