JPS5384536A - Information protection system of memory requiring refresh - Google Patents

Information protection system of memory requiring refresh

Info

Publication number
JPS5384536A
JPS5384536A JP16061776A JP16061776A JPS5384536A JP S5384536 A JPS5384536 A JP S5384536A JP 16061776 A JP16061776 A JP 16061776A JP 16061776 A JP16061776 A JP 16061776A JP S5384536 A JPS5384536 A JP S5384536A
Authority
JP
Japan
Prior art keywords
protection system
information protection
memory requiring
requiring refresh
power failure
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
JP16061776A
Other languages
Japanese (ja)
Other versions
JPS6016034B2 (en
Inventor
Katsumi Fujinami
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP51160617A priority Critical patent/JPS6016034B2/en
Publication of JPS5384536A publication Critical patent/JPS5384536A/en
Publication of JPS6016034B2 publication Critical patent/JPS6016034B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C11/406—Management or control of the refreshing or charge-regeneration cycles

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)

Abstract

PURPOSE:To prevent the periodic signal for refresh operation to the memory unit based on power failure from being turned off, by detecting the power failure of the upper rank unit through monitoring the level change of the voltage confirming signal.
JP51160617A 1976-12-29 1976-12-29 Information protection method for memory that requires refresh Expired JPS6016034B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51160617A JPS6016034B2 (en) 1976-12-29 1976-12-29 Information protection method for memory that requires refresh

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51160617A JPS6016034B2 (en) 1976-12-29 1976-12-29 Information protection method for memory that requires refresh

Publications (2)

Publication Number Publication Date
JPS5384536A true JPS5384536A (en) 1978-07-26
JPS6016034B2 JPS6016034B2 (en) 1985-04-23

Family

ID=15718796

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51160617A Expired JPS6016034B2 (en) 1976-12-29 1976-12-29 Information protection method for memory that requires refresh

Country Status (1)

Country Link
JP (1) JPS6016034B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01128294A (en) * 1987-11-12 1989-05-19 Sharp Corp Self-refreshing device for field memory

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01128294A (en) * 1987-11-12 1989-05-19 Sharp Corp Self-refreshing device for field memory

Also Published As

Publication number Publication date
JPS6016034B2 (en) 1985-04-23

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