JPS52130535A - Refresh control system of memory unit - Google Patents

Refresh control system of memory unit

Info

Publication number
JPS52130535A
JPS52130535A JP4883076A JP4883076A JPS52130535A JP S52130535 A JPS52130535 A JP S52130535A JP 4883076 A JP4883076 A JP 4883076A JP 4883076 A JP4883076 A JP 4883076A JP S52130535 A JPS52130535 A JP S52130535A
Authority
JP
Japan
Prior art keywords
memory unit
control system
refresh control
refreshment
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.)
Granted
Application number
JP4883076A
Other languages
Japanese (ja)
Other versions
JPS5545993B2 (en
Inventor
Haruyuki Fukuda
Tsutomu Ishikawa
Yasuharu Kosuge
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.)
Nippon Telegraph and Telephone Corp
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 JP4883076A priority Critical patent/JPS52130535A/en
Publication of JPS52130535A publication Critical patent/JPS52130535A/en
Publication of JPS5545993B2 publication Critical patent/JPS5545993B2/ja
Granted 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 make it possible that the access hysteresis to the memory unit is recorded, and when refreshment of the memory is requried, the refreshment is made referring to the record, so that the working efficiency of the memory unit is improved.
JP4883076A 1976-04-27 1976-04-27 Refresh control system of memory unit Granted JPS52130535A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4883076A JPS52130535A (en) 1976-04-27 1976-04-27 Refresh control system of memory unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4883076A JPS52130535A (en) 1976-04-27 1976-04-27 Refresh control system of memory unit

Publications (2)

Publication Number Publication Date
JPS52130535A true JPS52130535A (en) 1977-11-01
JPS5545993B2 JPS5545993B2 (en) 1980-11-20

Family

ID=12814140

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4883076A Granted JPS52130535A (en) 1976-04-27 1976-04-27 Refresh control system of memory unit

Country Status (1)

Country Link
JP (1) JPS52130535A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62128093A (en) * 1985-11-29 1987-06-10 Yokogawa Electric Corp Dram control circuit
JPS63187496A (en) * 1987-01-29 1988-08-03 Nec Corp Control system for dynamic random access memory
JPS6433793A (en) * 1987-07-30 1989-02-03 Toshiba Corp Refresh controller

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4975041A (en) * 1972-10-19 1974-07-19
JPS50156325A (en) * 1974-06-05 1975-12-17
JPS5176032A (en) * 1974-12-26 1976-07-01 Fujitsu Ltd mos dainamitsukumemorinorifuretsushuseigyohoshiki

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4975041A (en) * 1972-10-19 1974-07-19
JPS50156325A (en) * 1974-06-05 1975-12-17
JPS5176032A (en) * 1974-12-26 1976-07-01 Fujitsu Ltd mos dainamitsukumemorinorifuretsushuseigyohoshiki

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62128093A (en) * 1985-11-29 1987-06-10 Yokogawa Electric Corp Dram control circuit
JPS63187496A (en) * 1987-01-29 1988-08-03 Nec Corp Control system for dynamic random access memory
JPS6433793A (en) * 1987-07-30 1989-02-03 Toshiba Corp Refresh controller

Also Published As

Publication number Publication date
JPS5545993B2 (en) 1980-11-20

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