JPS5752675B2 - - Google Patents

Info

Publication number
JPS5752675B2
JPS5752675B2 JP12440676A JP12440676A JPS5752675B2 JP S5752675 B2 JPS5752675 B2 JP S5752675B2 JP 12440676 A JP12440676 A JP 12440676A JP 12440676 A JP12440676 A JP 12440676A JP S5752675 B2 JPS5752675 B2 JP S5752675B2
Authority
JP
Japan
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
Application number
JP12440676A
Other languages
Japanese (ja)
Other versions
JPS5349920A (en
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 filed Critical
Priority to JP12440676A priority Critical patent/JPS5349920A/ja
Publication of JPS5349920A publication Critical patent/JPS5349920A/ja
Publication of JPS5752675B2 publication Critical patent/JPS5752675B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G11C17/08—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements
    • G11C17/10—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM
    • G11C17/12—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM using field-effect devices
    • G11C17/126—Virtual ground arrays

Landscapes

  • Read Only Memory (AREA)
JP12440676A 1976-10-19 1976-10-19 Memory circuit Granted JPS5349920A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12440676A JPS5349920A (en) 1976-10-19 1976-10-19 Memory circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12440676A JPS5349920A (en) 1976-10-19 1976-10-19 Memory circuit

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP56119209A Division JPS589519B2 (ja) 1981-07-31 1981-07-31 半導体メモリ回路

Publications (2)

Publication Number Publication Date
JPS5349920A JPS5349920A (en) 1978-05-06
JPS5752675B2 true JPS5752675B2 (fr) 1982-11-09

Family

ID=14884659

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12440676A Granted JPS5349920A (en) 1976-10-19 1976-10-19 Memory circuit

Country Status (1)

Country Link
JP (1) JPS5349920A (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4833735A (fr) * 1971-09-01 1973-05-12
JPS5144837A (fr) * 1974-10-15 1976-04-16 Sharp Kk
JPS5150617A (fr) * 1974-10-30 1976-05-04 Hitachi Ltd

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4833735A (fr) * 1971-09-01 1973-05-12
JPS5144837A (fr) * 1974-10-15 1976-04-16 Sharp Kk
JPS5150617A (fr) * 1974-10-30 1976-05-04 Hitachi Ltd

Also Published As

Publication number Publication date
JPS5349920A (en) 1978-05-06

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