JPS51146127A - Memory device - Google Patents

Memory device

Info

Publication number
JPS51146127A
JPS51146127A JP50069549A JP6954975A JPS51146127A JP S51146127 A JPS51146127 A JP S51146127A JP 50069549 A JP50069549 A JP 50069549A JP 6954975 A JP6954975 A JP 6954975A JP S51146127 A JPS51146127 A JP S51146127A
Authority
JP
Japan
Prior art keywords
memory device
compensates
memories
defect
defects
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.)
Pending
Application number
JP50069549A
Other languages
Japanese (ja)
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 JP50069549A priority Critical patent/JPS51146127A/en
Publication of JPS51146127A publication Critical patent/JPS51146127A/en
Pending legal-status Critical Current

Links

Landscapes

  • Techniques For Improving Reliability Of Storages (AREA)
  • Hardware Redundancy (AREA)

Abstract

PURPOSE: A memory device, that compensates defect and promotes yield by combining two memories having defects.
COPYRIGHT: (C)1976,JPO&Japio
JP50069549A 1975-06-11 1975-06-11 Memory device Pending JPS51146127A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50069549A JPS51146127A (en) 1975-06-11 1975-06-11 Memory device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50069549A JPS51146127A (en) 1975-06-11 1975-06-11 Memory device

Publications (1)

Publication Number Publication Date
JPS51146127A true JPS51146127A (en) 1976-12-15

Family

ID=13405904

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50069549A Pending JPS51146127A (en) 1975-06-11 1975-06-11 Memory device

Country Status (1)

Country Link
JP (1) JPS51146127A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS554741A (en) * 1978-06-23 1980-01-14 Nippon Telegr & Teleph Corp <Ntt> Semiconductor integrated circuit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4815424B1 (en) * 1968-10-29 1973-05-15
JPS4869439A (en) * 1971-12-21 1973-09-20
JPS49129449A (en) * 1973-04-09 1974-12-11

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4815424B1 (en) * 1968-10-29 1973-05-15
JPS4869439A (en) * 1971-12-21 1973-09-20
JPS49129449A (en) * 1973-04-09 1974-12-11

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS554741A (en) * 1978-06-23 1980-01-14 Nippon Telegr & Teleph Corp <Ntt> Semiconductor integrated circuit

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