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JPS53136924A - Control system for memory device - Google Patents

Control system for memory device

Info

Publication number
JPS53136924A
JPS53136924A JP5180777A JP5180777A JPS53136924A JP S53136924 A JPS53136924 A JP S53136924A JP 5180777 A JP5180777 A JP 5180777A JP 5180777 A JP5180777 A JP 5180777A JP S53136924 A JPS53136924 A JP S53136924A
Authority
JP
Japan
Prior art keywords
control system
memory device
refresh request
request
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
JP5180777A
Other languages
Japanese (ja)
Inventor
Akio Hanada
Teruyoshi Mita
Koichi Saito
Takahiko Ogita
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 JP5180777A priority Critical patent/JPS53136924A/en
Publication of JPS53136924A publication Critical patent/JPS53136924A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/22—Read-write [R-W] timing or clocking circuits; Read-write [R-W] control signal generators or management 

Landscapes

  • Static Random-Access Memory (AREA)
  • Memory System (AREA)

Abstract

PURPOSE:To minimize the deterioration of the using efficiency for the memory through refreshing by having a simultaneous execution of both the access request and the refresh request to the static memory part when a refresh request exists.
JP5180777A 1977-05-06 1977-05-06 Control system for memory device Pending JPS53136924A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5180777A JPS53136924A (en) 1977-05-06 1977-05-06 Control system for memory device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5180777A JPS53136924A (en) 1977-05-06 1977-05-06 Control system for memory device

Publications (1)

Publication Number Publication Date
JPS53136924A true JPS53136924A (en) 1978-11-29

Family

ID=12897182

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5180777A Pending JPS53136924A (en) 1977-05-06 1977-05-06 Control system for memory device

Country Status (1)

Country Link
JP (1) JPS53136924A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61127056A (en) * 1984-11-26 1986-06-14 Hitachi Ltd data processing equipment
JPS62209791A (en) * 1986-03-10 1987-09-14 Nec Corp Semiconductor storage device
JPS62209797A (en) * 1986-03-10 1987-09-14 Nec Corp Semiconductor storage device
JPS62222487A (en) * 1986-03-20 1987-09-30 Nec Corp Semiconductor memory device
JPH02116087A (en) * 1988-10-25 1990-04-27 Nec Corp Semiconductor memory
JP2009080920A (en) * 2007-06-08 2009-04-16 Qimonda Ag Emulated combination memory device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4878839A (en) * 1971-12-29 1973-10-23
JPS49132943A (en) * 1973-04-25 1974-12-20
JPS5042754A (en) * 1973-08-20 1975-04-18
JPS50100933A (en) * 1974-01-04 1975-08-11
JPS50111942A (en) * 1974-02-04 1975-09-03
JPS5248441A (en) * 1975-05-28 1977-04-18 Hitachi Ltd Memory system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4878839A (en) * 1971-12-29 1973-10-23
JPS49132943A (en) * 1973-04-25 1974-12-20
JPS5042754A (en) * 1973-08-20 1975-04-18
JPS50100933A (en) * 1974-01-04 1975-08-11
JPS50111942A (en) * 1974-02-04 1975-09-03
JPS5248441A (en) * 1975-05-28 1977-04-18 Hitachi Ltd Memory system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61127056A (en) * 1984-11-26 1986-06-14 Hitachi Ltd data processing equipment
USRE36482E (en) * 1984-11-26 2000-01-04 Hitachi, Ltd. Data processor and data processing system and method for accessing a dynamic type memory using an address multiplexing system
JPS62209791A (en) * 1986-03-10 1987-09-14 Nec Corp Semiconductor storage device
JPS62209797A (en) * 1986-03-10 1987-09-14 Nec Corp Semiconductor storage device
JPS62222487A (en) * 1986-03-20 1987-09-30 Nec Corp Semiconductor memory device
JPH02116087A (en) * 1988-10-25 1990-04-27 Nec Corp Semiconductor memory
JP2009080920A (en) * 2007-06-08 2009-04-16 Qimonda Ag Emulated combination memory device

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