JPS5297638A - Refresh control system - Google Patents

Refresh control system

Info

Publication number
JPS5297638A
JPS5297638A JP1321976A JP1321976A JPS5297638A JP S5297638 A JPS5297638 A JP S5297638A JP 1321976 A JP1321976 A JP 1321976A JP 1321976 A JP1321976 A JP 1321976A JP S5297638 A JPS5297638 A JP S5297638A
Authority
JP
Japan
Prior art keywords
control system
refresh control
memory element
element group
memory
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
JP1321976A
Other languages
Japanese (ja)
Inventor
Takao Oba
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP1321976A priority Critical patent/JPS5297638A/en
Publication of JPS5297638A publication Critical patent/JPS5297638A/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)
  • Static Random-Access Memory (AREA)

Abstract

PURPOSE:To shift a little the refresh action time of each memory element group for the memory unit using IC memory element by dividing the memory element group. Thus, performance deterioration can be prevented as well as the power source noise can be reduced.
JP1321976A 1976-02-12 1976-02-12 Refresh control system Pending JPS5297638A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1321976A JPS5297638A (en) 1976-02-12 1976-02-12 Refresh control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1321976A JPS5297638A (en) 1976-02-12 1976-02-12 Refresh control system

Publications (1)

Publication Number Publication Date
JPS5297638A true JPS5297638A (en) 1977-08-16

Family

ID=11827050

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1321976A Pending JPS5297638A (en) 1976-02-12 1976-02-12 Refresh control system

Country Status (1)

Country Link
JP (1) JPS5297638A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53114934U (en) * 1977-02-18 1978-09-12
JPS5427333A (en) * 1977-08-02 1979-03-01 Nippon Telegr & Teleph Corp <Ntt> Memory element
JPS5451430A (en) * 1977-09-30 1979-04-23 Fujitsu Ltd Refresh control system of semiconductor memory unit
JPS5532277A (en) * 1978-08-29 1980-03-06 Hitachi Ltd Drive system
JPS5987695A (en) * 1982-11-11 1984-05-21 Toshiba Corp Semiconductor memory device
JPS59229789A (en) * 1983-05-09 1984-12-24 Fuji Xerox Co Ltd Refresh controller of dynamic memory

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5073537A (en) * 1973-10-31 1975-06-17
JPS511038A (en) * 1974-06-21 1976-01-07 Fujitsu Ltd Mos gatahandotaikiokusochino rifuretsushuhoshiki

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5073537A (en) * 1973-10-31 1975-06-17
JPS511038A (en) * 1974-06-21 1976-01-07 Fujitsu Ltd Mos gatahandotaikiokusochino rifuretsushuhoshiki

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53114934U (en) * 1977-02-18 1978-09-12
JPS575759Y2 (en) * 1977-02-18 1982-02-03
JPS5427333A (en) * 1977-08-02 1979-03-01 Nippon Telegr & Teleph Corp <Ntt> Memory element
JPS5451430A (en) * 1977-09-30 1979-04-23 Fujitsu Ltd Refresh control system of semiconductor memory unit
JPS5532277A (en) * 1978-08-29 1980-03-06 Hitachi Ltd Drive system
JPS5712218B2 (en) * 1978-08-29 1982-03-09
JPS5987695A (en) * 1982-11-11 1984-05-21 Toshiba Corp Semiconductor memory device
JPH053078B2 (en) * 1982-11-11 1993-01-13 Tokyo Shibaura Electric Co
JPS59229789A (en) * 1983-05-09 1984-12-24 Fuji Xerox Co Ltd Refresh controller of dynamic memory

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