JPS5413233A - Non-volatile semiconductor memory unit - Google Patents

Non-volatile semiconductor memory unit

Info

Publication number
JPS5413233A
JPS5413233A JP7872577A JP7872577A JPS5413233A JP S5413233 A JPS5413233 A JP S5413233A JP 7872577 A JP7872577 A JP 7872577A JP 7872577 A JP7872577 A JP 7872577A JP S5413233 A JPS5413233 A JP S5413233A
Authority
JP
Japan
Prior art keywords
semiconductor memory
memory unit
volatile semiconductor
volatile memory
memory elements
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
JP7872577A
Other languages
Japanese (ja)
Other versions
JPS5634958B2 (en
Inventor
Yukimasa Uchida
Shozo Saito
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 JP7872577A priority Critical patent/JPS5413233A/en
Publication of JPS5413233A publication Critical patent/JPS5413233A/en
Publication of JPS5634958B2 publication Critical patent/JPS5634958B2/ja
Granted 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

  • For Increasing The Reliability Of Semiconductor Memories (AREA)
  • Static Random-Access Memory (AREA)

Abstract

PURPOSE:To make easy the test of memory hold function, by connecting the control terminal of a pair of non-volatile memory elements to the control signal lines independently and detecting the amount of non-volatile memory, that is the difference of the threshold values of the non-volatile memory elements.
JP7872577A 1977-07-01 1977-07-01 Non-volatile semiconductor memory unit Granted JPS5413233A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7872577A JPS5413233A (en) 1977-07-01 1977-07-01 Non-volatile semiconductor memory unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7872577A JPS5413233A (en) 1977-07-01 1977-07-01 Non-volatile semiconductor memory unit

Publications (2)

Publication Number Publication Date
JPS5413233A true JPS5413233A (en) 1979-01-31
JPS5634958B2 JPS5634958B2 (en) 1981-08-13

Family

ID=13669849

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7872577A Granted JPS5413233A (en) 1977-07-01 1977-07-01 Non-volatile semiconductor memory unit

Country Status (1)

Country Link
JP (1) JPS5413233A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0362858A (en) * 1989-04-06 1991-03-18 Cabot Corp Manufacture of carbon black
US5879650A (en) * 1989-04-06 1999-03-09 Cabot Corporation Tandem quench

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5881261U (en) * 1981-11-27 1983-06-01 三洋電機株式会社 Vending machine door locking device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5242035A (en) * 1975-09-29 1977-04-01 Toshiba Corp Control signal generator for nonvolatile memory

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5242035A (en) * 1975-09-29 1977-04-01 Toshiba Corp Control signal generator for nonvolatile memory

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0362858A (en) * 1989-04-06 1991-03-18 Cabot Corp Manufacture of carbon black
US5879650A (en) * 1989-04-06 1999-03-09 Cabot Corporation Tandem quench

Also Published As

Publication number Publication date
JPS5634958B2 (en) 1981-08-13

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