JPS5427331A - Nonvolatile semiconductor memory device - Google Patents

Nonvolatile semiconductor memory device

Info

Publication number
JPS5427331A
JPS5427331A JP9137177A JP9137177A JPS5427331A JP S5427331 A JPS5427331 A JP S5427331A JP 9137177 A JP9137177 A JP 9137177A JP 9137177 A JP9137177 A JP 9137177A JP S5427331 A JPS5427331 A JP S5427331A
Authority
JP
Japan
Prior art keywords
memory device
semiconductor memory
nonvolatile semiconductor
action
ram
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
JP9137177A
Other languages
Japanese (ja)
Other versions
JPS6023435B2 (en
Inventor
Yokichi Ito
Ryuji Kondo
Takaaki Hagiwara
Yoshiichi Hajikano
Toshimasa Kihara
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 JP52091371A priority Critical patent/JPS6023435B2/en
Publication of JPS5427331A publication Critical patent/JPS5427331A/en
Publication of JPS6023435B2 publication Critical patent/JPS6023435B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C14/00—Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down

Landscapes

  • Static Random-Access Memory (AREA)

Abstract

PURPOSE:To ensure not only the RAM action but the ROM action by using one unit of the nonvolatile memory element to RAM performing the normal static action.
JP52091371A 1977-08-01 1977-08-01 Non-volatile semiconductor memory device Expired JPS6023435B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52091371A JPS6023435B2 (en) 1977-08-01 1977-08-01 Non-volatile semiconductor memory device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52091371A JPS6023435B2 (en) 1977-08-01 1977-08-01 Non-volatile semiconductor memory device

Publications (2)

Publication Number Publication Date
JPS5427331A true JPS5427331A (en) 1979-03-01
JPS6023435B2 JPS6023435B2 (en) 1985-06-07

Family

ID=14024508

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52091371A Expired JPS6023435B2 (en) 1977-08-01 1977-08-01 Non-volatile semiconductor memory device

Country Status (1)

Country Link
JP (1) JPS6023435B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04111298A (en) * 1990-08-30 1992-04-13 Matsushita Electron Corp Memory circuit
JP2006351176A (en) * 2005-06-17 2006-12-28 Magnachip Semiconductor Ltd EEPROM cell and EEPROM block

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04111298A (en) * 1990-08-30 1992-04-13 Matsushita Electron Corp Memory circuit
JP2006351176A (en) * 2005-06-17 2006-12-28 Magnachip Semiconductor Ltd EEPROM cell and EEPROM block

Also Published As

Publication number Publication date
JPS6023435B2 (en) 1985-06-07

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