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JPS542030A - Protection unit for volatile ic memory - Google Patents

Protection unit for volatile ic memory

Info

Publication number
JPS542030A
JPS542030A JP6628177A JP6628177A JPS542030A JP S542030 A JPS542030 A JP S542030A JP 6628177 A JP6628177 A JP 6628177A JP 6628177 A JP6628177 A JP 6628177A JP S542030 A JPS542030 A JP S542030A
Authority
JP
Japan
Prior art keywords
volatile
memory
protection unit
enalbe
refresh
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.)
Pending
Application number
JP6628177A
Other languages
Japanese (ja)
Inventor
Tsuneaki Okada
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 JP6628177A priority Critical patent/JPS542030A/en
Publication of JPS542030A publication Critical patent/JPS542030A/en
Pending 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)
  • Techniques For Improving Reliability Of Storages (AREA)

Abstract

PURPOSE:To enalbe to use the memory content to other units as it is, by keeping the refresh for a long time exceeding the duration time of the associated battery, through containing the memory board of volatile IC memories in a case.
JP6628177A 1977-06-07 1977-06-07 Protection unit for volatile ic memory Pending JPS542030A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6628177A JPS542030A (en) 1977-06-07 1977-06-07 Protection unit for volatile ic memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6628177A JPS542030A (en) 1977-06-07 1977-06-07 Protection unit for volatile ic memory

Publications (1)

Publication Number Publication Date
JPS542030A true JPS542030A (en) 1979-01-09

Family

ID=13311281

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6628177A Pending JPS542030A (en) 1977-06-07 1977-06-07 Protection unit for volatile ic memory

Country Status (1)

Country Link
JP (1) JPS542030A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61202393A (en) * 1985-03-05 1986-09-08 Nec Corp Electronic disk device
US5475645A (en) * 1993-05-27 1995-12-12 Seiko Epson Corporation Memory module using dram and method of refreshing the memory module

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61202393A (en) * 1985-03-05 1986-09-08 Nec Corp Electronic disk device
US5475645A (en) * 1993-05-27 1995-12-12 Seiko Epson Corporation Memory module using dram and method of refreshing the memory module

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