JPS51140441A - System for controlling dynamic semiconductor memory - Google Patents

System for controlling dynamic semiconductor memory

Info

Publication number
JPS51140441A
JPS51140441A JP50064240A JP6424075A JPS51140441A JP S51140441 A JPS51140441 A JP S51140441A JP 50064240 A JP50064240 A JP 50064240A JP 6424075 A JP6424075 A JP 6424075A JP S51140441 A JPS51140441 A JP S51140441A
Authority
JP
Japan
Prior art keywords
semiconductor memory
dynamic semiconductor
controlling dynamic
requirement
controlling
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
JP50064240A
Other languages
Japanese (ja)
Inventor
Takashi Tabei
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 JP50064240A priority Critical patent/JPS51140441A/en
Publication of JPS51140441A publication Critical patent/JPS51140441A/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 prevent occurrence of hazard by eliminating an access requirement and a fresh requirement to prevent an access time from decreasing.
JP50064240A 1975-05-30 1975-05-30 System for controlling dynamic semiconductor memory Pending JPS51140441A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50064240A JPS51140441A (en) 1975-05-30 1975-05-30 System for controlling dynamic semiconductor memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50064240A JPS51140441A (en) 1975-05-30 1975-05-30 System for controlling dynamic semiconductor memory

Publications (1)

Publication Number Publication Date
JPS51140441A true JPS51140441A (en) 1976-12-03

Family

ID=13252407

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50064240A Pending JPS51140441A (en) 1975-05-30 1975-05-30 System for controlling dynamic semiconductor memory

Country Status (1)

Country Link
JP (1) JPS51140441A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5362943A (en) * 1976-11-17 1978-06-05 Toshiba Corp Memory control system
JPS5420627A (en) * 1977-07-18 1979-02-16 Hitachi Ltd Memory unit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4946839A (en) * 1972-09-08 1974-05-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4946839A (en) * 1972-09-08 1974-05-07

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5362943A (en) * 1976-11-17 1978-06-05 Toshiba Corp Memory control system
JPS5420627A (en) * 1977-07-18 1979-02-16 Hitachi Ltd Memory unit

Similar Documents

Publication Publication Date Title
AU3173971A (en) Agents for regulating plant development
JPS51140441A (en) System for controlling dynamic semiconductor memory
JPS5217730A (en) Memory refresh control system
JPS51122338A (en) Access control system for main memory equipment
JPS5222838A (en) Control unit for central controls
JPS5227230A (en) Refresh control system of dynamic mos memory
JPS51138140A (en) Line control memory access control system
JPS5283033A (en) Memory diagnostic system
CA531966A (en) Control systems for electric-steam generators
CA576376A (en) Cylinder level control for comminuting devices
CA608408A (en) Control for gas distribution systems
CA624392A (en) Method for pattern reproduction
AU250665B2 (en) Method for coating tablets
AU265629B2 (en) Method for coating tablets
AU254340B2 (en) Method of and apparatus for water-evaporation control
CA532495A (en) Control for and method of operating an elevator system
AU241452B2 (en) Method and apparatus for forming amat
AU1222061A (en) Semiautomatic apparatus for controlling timing and recording operational processes
AU476061A (en) Method for coating tablets
CA615168A (en) Control system for generator
CA604585A (en) Generator control system
CA610957A (en) Generator control system
AU1879562A (en) Method for coating tablets
AU239025B2 (en) Combustion control apparatus
AU152561A (en) Method of and apparatus for water-evaporation control