JPS537142A - Programmable read only memory - Google Patents

Programmable read only memory

Info

Publication number
JPS537142A
JPS537142A JP8215476A JP8215476A JPS537142A JP S537142 A JPS537142 A JP S537142A JP 8215476 A JP8215476 A JP 8215476A JP 8215476 A JP8215476 A JP 8215476A JP S537142 A JPS537142 A JP S537142A
Authority
JP
Japan
Prior art keywords
memory
programmable read
undersired
inforamtion
writing
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
JP8215476A
Other languages
Japanese (ja)
Other versions
JPS579158B2 (en
Inventor
Mitsugi Takeda
Yoshiyuki Nakai
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP8215476A priority Critical patent/JPS537142A/en
Publication of JPS537142A publication Critical patent/JPS537142A/en
Publication of JPS579158B2 publication Critical patent/JPS579158B2/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 the voltage which is higher than that required for writing from being applied to a write wire and the inforamtion from being written into the undersired cell.
JP8215476A 1976-07-09 1976-07-09 Programmable read only memory Granted JPS537142A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8215476A JPS537142A (en) 1976-07-09 1976-07-09 Programmable read only memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8215476A JPS537142A (en) 1976-07-09 1976-07-09 Programmable read only memory

Publications (2)

Publication Number Publication Date
JPS537142A true JPS537142A (en) 1978-01-23
JPS579158B2 JPS579158B2 (en) 1982-02-19

Family

ID=13766508

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8215476A Granted JPS537142A (en) 1976-07-09 1976-07-09 Programmable read only memory

Country Status (1)

Country Link
JP (1) JPS537142A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60251599A (en) * 1984-05-28 1985-12-12 Seiko Epson Corp Nonvolatile memory circuit
US8514638B2 (en) 2011-02-17 2013-08-20 Fujitsu Semiconductor Limited Write control circuit and semiconductor device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60251599A (en) * 1984-05-28 1985-12-12 Seiko Epson Corp Nonvolatile memory circuit
US8514638B2 (en) 2011-02-17 2013-08-20 Fujitsu Semiconductor Limited Write control circuit and semiconductor device

Also Published As

Publication number Publication date
JPS579158B2 (en) 1982-02-19

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