JPS56137590A - Semiconductor memory device - Google Patents

Semiconductor memory device

Info

Publication number
JPS56137590A
JPS56137590A JP4156880A JP4156880A JPS56137590A JP S56137590 A JPS56137590 A JP S56137590A JP 4156880 A JP4156880 A JP 4156880A JP 4156880 A JP4156880 A JP 4156880A JP S56137590 A JPS56137590 A JP S56137590A
Authority
JP
Japan
Prior art keywords
signal
level
electron
program
chip selection
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
JP4156880A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6118834B2 (enExample
Inventor
Hiroshi Iwahashi
Masamichi Asano
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP4156880A priority Critical patent/JPS56137590A/ja
Publication of JPS56137590A publication Critical patent/JPS56137590A/ja
Publication of JPS6118834B2 publication Critical patent/JPS6118834B2/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
    • G11C17/18—Auxiliary circuits, e.g. for writing into memory

Landscapes

  • Static Random-Access Memory (AREA)
  • Logic Circuits (AREA)
JP4156880A 1980-03-31 1980-03-31 Semiconductor memory device Granted JPS56137590A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4156880A JPS56137590A (en) 1980-03-31 1980-03-31 Semiconductor memory device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4156880A JPS56137590A (en) 1980-03-31 1980-03-31 Semiconductor memory device

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP56121352A Division JPS5757032A (en) 1981-08-04 1981-08-04 Semiconductor integrated circuit

Publications (2)

Publication Number Publication Date
JPS56137590A true JPS56137590A (en) 1981-10-27
JPS6118834B2 JPS6118834B2 (enExample) 1986-05-14

Family

ID=12612043

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4156880A Granted JPS56137590A (en) 1980-03-31 1980-03-31 Semiconductor memory device

Country Status (1)

Country Link
JP (1) JPS56137590A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009153002A (ja) * 2007-12-21 2009-07-09 Casio Hitachi Mobile Communications Co Ltd 防水音響構造、及び電子機器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009153002A (ja) * 2007-12-21 2009-07-09 Casio Hitachi Mobile Communications Co Ltd 防水音響構造、及び電子機器

Also Published As

Publication number Publication date
JPS6118834B2 (enExample) 1986-05-14

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