JPS5277640A - Refresh control system - Google Patents

Refresh control system

Info

Publication number
JPS5277640A
JPS5277640A JP50155183A JP15518375A JPS5277640A JP S5277640 A JPS5277640 A JP S5277640A JP 50155183 A JP50155183 A JP 50155183A JP 15518375 A JP15518375 A JP 15518375A JP S5277640 A JPS5277640 A JP S5277640A
Authority
JP
Japan
Prior art keywords
refresh
control system
refresh control
memory elements
waking
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
JP50155183A
Other languages
Japanese (ja)
Inventor
Hiroshi Egawa
Kiyoshi Masuda
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP50155183A priority Critical patent/JPS5277640A/en
Publication of JPS5277640A publication Critical patent/JPS5277640A/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 lowering of velocity caused by ''refresh'' operation by waking-up ''refresh'' operation against memory elements other than memory elements being necessary for access demand and by carrying out ''refresh'' operation in parallel with normal read-write operation.
JP50155183A 1975-12-24 1975-12-24 Refresh control system Pending JPS5277640A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50155183A JPS5277640A (en) 1975-12-24 1975-12-24 Refresh control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50155183A JPS5277640A (en) 1975-12-24 1975-12-24 Refresh control system

Publications (1)

Publication Number Publication Date
JPS5277640A true JPS5277640A (en) 1977-06-30

Family

ID=15600289

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50155183A Pending JPS5277640A (en) 1975-12-24 1975-12-24 Refresh control system

Country Status (1)

Country Link
JP (1) JPS5277640A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5419619A (en) * 1977-07-15 1979-02-14 Toshiba Corp Refresh control system
JPS5447444A (en) * 1977-09-21 1979-04-14 Hitachi Ltd Memory unit
JPS60696A (en) * 1983-06-16 1985-01-05 Nippon Telegr & Teleph Corp <Ntt> Semiconductor memory
JPS6386193A (en) * 1986-09-29 1988-04-16 Mitsubishi Electric Corp semiconductor storage device
JPH01227299A (en) * 1988-03-08 1989-09-11 Fujitsu Ltd Refresh control system for memory

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5419619A (en) * 1977-07-15 1979-02-14 Toshiba Corp Refresh control system
JPS5447444A (en) * 1977-09-21 1979-04-14 Hitachi Ltd Memory unit
JPS60696A (en) * 1983-06-16 1985-01-05 Nippon Telegr & Teleph Corp <Ntt> Semiconductor memory
JPS6386193A (en) * 1986-09-29 1988-04-16 Mitsubishi Electric Corp semiconductor storage device
JPH01227299A (en) * 1988-03-08 1989-09-11 Fujitsu Ltd Refresh control system for memory

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