JPS5269537A - Semiconductor memory - Google Patents

Semiconductor memory

Info

Publication number
JPS5269537A
JPS5269537A JP14618175A JP14618175A JPS5269537A JP S5269537 A JPS5269537 A JP S5269537A JP 14618175 A JP14618175 A JP 14618175A JP 14618175 A JP14618175 A JP 14618175A JP S5269537 A JPS5269537 A JP S5269537A
Authority
JP
Japan
Prior art keywords
semiconductor memory
fuse
wiring
rom
touch
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
JP14618175A
Other languages
Japanese (ja)
Other versions
JPS5757800B2 (en
Inventor
Yasuhiro Koyasu
Kuniaki Makabe
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP14618175A priority Critical patent/JPS5269537A/en
Publication of JPS5269537A publication Critical patent/JPS5269537A/en
Publication of JPS5757800B2 publication Critical patent/JPS5757800B2/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
    • G11C17/14—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM
    • G11C17/16—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM using electrically-fusible links

Landscapes

  • Read Only Memory (AREA)

Abstract

PURPOSE:To prevent disconnection caused by touch between fuse material of P-ROM and wiring metal by composing wiring material reaching fuse with the same fuse material.
JP14618175A 1975-12-08 1975-12-08 Semiconductor memory Granted JPS5269537A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14618175A JPS5269537A (en) 1975-12-08 1975-12-08 Semiconductor memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14618175A JPS5269537A (en) 1975-12-08 1975-12-08 Semiconductor memory

Publications (2)

Publication Number Publication Date
JPS5269537A true JPS5269537A (en) 1977-06-09
JPS5757800B2 JPS5757800B2 (en) 1982-12-06

Family

ID=15401957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14618175A Granted JPS5269537A (en) 1975-12-08 1975-12-08 Semiconductor memory

Country Status (1)

Country Link
JP (1) JPS5269537A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS567467A (en) * 1979-07-02 1981-01-26 Nec Corp Semiconductor memory device
JPS5859528A (en) * 1981-10-05 1983-04-08 日本電信電話株式会社 Fuse unit and method of producing same
JPS61128544A (en) * 1984-11-28 1986-06-16 Mitsubishi Electric Corp Semiconductor device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5049955A (en) * 1973-09-04 1975-05-06
JPS5097286A (en) * 1973-12-25 1975-08-02

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5049955A (en) * 1973-09-04 1975-05-06
JPS5097286A (en) * 1973-12-25 1975-08-02

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS567467A (en) * 1979-07-02 1981-01-26 Nec Corp Semiconductor memory device
JPS5859528A (en) * 1981-10-05 1983-04-08 日本電信電話株式会社 Fuse unit and method of producing same
JPH0247863B2 (en) * 1981-10-05 1990-10-23 Nippon Telegraph & Telephone
JPS61128544A (en) * 1984-11-28 1986-06-16 Mitsubishi Electric Corp Semiconductor device

Also Published As

Publication number Publication date
JPS5757800B2 (en) 1982-12-06

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