JPS5283037A - Memory unit operating system - Google Patents

Memory unit operating system

Info

Publication number
JPS5283037A
JPS5283037A JP15899675A JP15899675A JPS5283037A JP S5283037 A JPS5283037 A JP S5283037A JP 15899675 A JP15899675 A JP 15899675A JP 15899675 A JP15899675 A JP 15899675A JP S5283037 A JPS5283037 A JP S5283037A
Authority
JP
Japan
Prior art keywords
operating system
memory unit
unit operating
memory
compertition
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
JP15899675A
Other languages
Japanese (ja)
Inventor
Masaaki Sakai
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP15899675A priority Critical patent/JPS5283037A/en
Publication of JPS5283037A publication Critical patent/JPS5283037A/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)

Abstract

PURPOSE:To prevent decrease in the operating efficiency of memory due to the compertition between the access and refresh request, by placing a limit to memory, and to shorten the test time memory and increase the yield rate.
JP15899675A 1975-12-29 1975-12-29 Memory unit operating system Pending JPS5283037A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15899675A JPS5283037A (en) 1975-12-29 1975-12-29 Memory unit operating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15899675A JPS5283037A (en) 1975-12-29 1975-12-29 Memory unit operating system

Publications (1)

Publication Number Publication Date
JPS5283037A true JPS5283037A (en) 1977-07-11

Family

ID=15683936

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15899675A Pending JPS5283037A (en) 1975-12-29 1975-12-29 Memory unit operating system

Country Status (1)

Country Link
JP (1) JPS5283037A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50159135A (en) * 1974-06-12 1975-12-23

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50159135A (en) * 1974-06-12 1975-12-23

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees