JPS5589986A - Refresh control system - Google Patents

Refresh control system

Info

Publication number
JPS5589986A
JPS5589986A JP16274878A JP16274878A JPS5589986A JP S5589986 A JPS5589986 A JP S5589986A JP 16274878 A JP16274878 A JP 16274878A JP 16274878 A JP16274878 A JP 16274878A JP S5589986 A JPS5589986 A JP S5589986A
Authority
JP
Japan
Prior art keywords
unit
refresh
row
circuit
access
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
JP16274878A
Other languages
Japanese (ja)
Inventor
Satoshi Matsubara
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 JP16274878A priority Critical patent/JPS5589986A/en
Publication of JPS5589986A publication Critical patent/JPS5589986A/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 increase the usage efficiency of memory, by avoiding the refresh for the row stored in the row address memory section, when refresh to the dynamic memory unit is made. CONSTITUTION:The system provides the dynamic memory unit 6 requiring the refresh control, circuit 4 controlling the access to the unit 6, access address memory circuit 3 enable to set and reset for the storage of the execution to the access to the unit 6 and the circuit 2 controlling the refresh to the unit 6. Further, the circuit 3 is provided with the row address memory section to perform the storage for the address to the unit 6 with the row, and when the refresh to the unit 6 is made, as to the row stored in the row address memory section, refresh can be avoided.
JP16274878A 1978-12-27 1978-12-27 Refresh control system Pending JPS5589986A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16274878A JPS5589986A (en) 1978-12-27 1978-12-27 Refresh control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16274878A JPS5589986A (en) 1978-12-27 1978-12-27 Refresh control system

Publications (1)

Publication Number Publication Date
JPS5589986A true JPS5589986A (en) 1980-07-08

Family

ID=15760503

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16274878A Pending JPS5589986A (en) 1978-12-27 1978-12-27 Refresh control system

Country Status (1)

Country Link
JP (1) JPS5589986A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6032200A (en) * 1983-08-02 1985-02-19 Seikosha Co Ltd Refresh control circuit of dynamic memory
JPS6089892A (en) * 1983-10-21 1985-05-20 Toshiba Corp Refresh controller of dynamic memory
JPH0219939A (en) * 1988-07-08 1990-01-23 Nec Corp File recovery processing system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6032200A (en) * 1983-08-02 1985-02-19 Seikosha Co Ltd Refresh control circuit of dynamic memory
JPS6089892A (en) * 1983-10-21 1985-05-20 Toshiba Corp Refresh controller of dynamic memory
JPH0219939A (en) * 1988-07-08 1990-01-23 Nec Corp File recovery processing system

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