JPS544532A - Automatic refresh device of idle-time retrieval type - Google Patents

Automatic refresh device of idle-time retrieval type

Info

Publication number
JPS544532A
JPS544532A JP7013277A JP7013277A JPS544532A JP S544532 A JPS544532 A JP S544532A JP 7013277 A JP7013277 A JP 7013277A JP 7013277 A JP7013277 A JP 7013277A JP S544532 A JPS544532 A JP S544532A
Authority
JP
Japan
Prior art keywords
idle
automatic refresh
retrieval type
time retrieval
refresh device
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
JP7013277A
Other languages
Japanese (ja)
Inventor
Tetsuo Yonezawa
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP7013277A priority Critical patent/JPS544532A/en
Publication of JPS544532A publication Critical patent/JPS544532A/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 reduce noise generation and power consumption in a refreshing time, and to attain economization, by providing an automatic refresh signal circuit which is driven and stopped synchronously by an idle detection circuit.
JP7013277A 1977-06-13 1977-06-13 Automatic refresh device of idle-time retrieval type Pending JPS544532A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7013277A JPS544532A (en) 1977-06-13 1977-06-13 Automatic refresh device of idle-time retrieval type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7013277A JPS544532A (en) 1977-06-13 1977-06-13 Automatic refresh device of idle-time retrieval type

Publications (1)

Publication Number Publication Date
JPS544532A true JPS544532A (en) 1979-01-13

Family

ID=13422723

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7013277A Pending JPS544532A (en) 1977-06-13 1977-06-13 Automatic refresh device of idle-time retrieval type

Country Status (1)

Country Link
JP (1) JPS544532A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55108066A (en) * 1979-02-14 1980-08-19 Honeywell Inf Systems Data process system with concentrated memory reflesh
US4393477A (en) * 1979-12-11 1983-07-12 Nippon Electric Co., Ltd. Temperature responsive refresh control circuit
JPS60263395A (en) * 1984-06-11 1985-12-26 Nec Corp Microprocessor
JPS61120396A (en) * 1984-11-15 1986-06-07 Nec Corp Microprocessor
JPS61222091A (en) * 1985-03-12 1986-10-02 Fujitsu Ltd Refreshing system for dynamic memory
JPS61193599U (en) * 1985-05-21 1986-12-02

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4874755A (en) * 1971-12-29 1973-10-08
JPS49122231A (en) * 1973-03-22 1974-11-22
JPS5146032A (en) * 1974-10-18 1976-04-20 Fujitsu Ltd
JPS5178941A (en) * 1974-12-31 1976-07-09 Shimadzu Corp Konpyuutano ram rifuretsushuhoshiki

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4874755A (en) * 1971-12-29 1973-10-08
JPS49122231A (en) * 1973-03-22 1974-11-22
JPS5146032A (en) * 1974-10-18 1976-04-20 Fujitsu Ltd
JPS5178941A (en) * 1974-12-31 1976-07-09 Shimadzu Corp Konpyuutano ram rifuretsushuhoshiki

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55108066A (en) * 1979-02-14 1980-08-19 Honeywell Inf Systems Data process system with concentrated memory reflesh
US4393477A (en) * 1979-12-11 1983-07-12 Nippon Electric Co., Ltd. Temperature responsive refresh control circuit
JPS60263395A (en) * 1984-06-11 1985-12-26 Nec Corp Microprocessor
JPS61120396A (en) * 1984-11-15 1986-06-07 Nec Corp Microprocessor
JPH0443355B2 (en) * 1984-11-15 1992-07-16 Nippon Electric Co
JPS61222091A (en) * 1985-03-12 1986-10-02 Fujitsu Ltd Refreshing system for dynamic memory
JPS61193599U (en) * 1985-05-21 1986-12-02

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