IT1117301B - Calcotore elettronico con dispositivo di rinfresco di una memoria operativa dinamica - Google Patents

Calcotore elettronico con dispositivo di rinfresco di una memoria operativa dinamica

Info

Publication number
IT1117301B
IT1117301B IT68191/77A IT6819177A IT1117301B IT 1117301 B IT1117301 B IT 1117301B IT 68191/77 A IT68191/77 A IT 68191/77A IT 6819177 A IT6819177 A IT 6819177A IT 1117301 B IT1117301 B IT 1117301B
Authority
IT
Italy
Prior art keywords
calcotor
electronic
operating memory
dynamic operating
refreshing device
Prior art date
Application number
IT68191/77A
Other languages
English (en)
Original Assignee
Olivetti & Co Spa
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 Olivetti & Co Spa filed Critical Olivetti & Co Spa
Priority to IT68191/77A priority Critical patent/IT1117301B/it
Priority to US05/907,490 priority patent/US4204254A/en
Application granted granted Critical
Publication of IT1117301B publication Critical patent/IT1117301B/it

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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • G06F13/1605—Handling requests for interconnection or transfer for access to memory bus based on arbitration
    • G06F13/161—Handling requests for interconnection or transfer for access to memory bus based on arbitration with latency improvement
    • G06F13/1636—Handling requests for interconnection or transfer for access to memory bus based on arbitration with latency improvement using refresh

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Dram (AREA)
IT68191/77A 1977-05-25 1977-05-25 Calcotore elettronico con dispositivo di rinfresco di una memoria operativa dinamica IT1117301B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT68191/77A IT1117301B (it) 1977-05-25 1977-05-25 Calcotore elettronico con dispositivo di rinfresco di una memoria operativa dinamica
US05/907,490 US4204254A (en) 1977-05-25 1978-05-19 Electronic computer including an information refreshing arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68191/77A IT1117301B (it) 1977-05-25 1977-05-25 Calcotore elettronico con dispositivo di rinfresco di una memoria operativa dinamica

Publications (1)

Publication Number Publication Date
IT1117301B true IT1117301B (it) 1986-02-17

Family

ID=11308417

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68191/77A IT1117301B (it) 1977-05-25 1977-05-25 Calcotore elettronico con dispositivo di rinfresco di una memoria operativa dinamica

Country Status (2)

Country Link
US (1) US4204254A (it)
IT (1) IT1117301B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4316248A (en) * 1978-12-06 1982-02-16 Data General Corporation Memory refresh means including means for providing refresh addresses during power failures
US4543629A (en) * 1982-04-29 1985-09-24 Honeywell Information Systems Inc. Apparatus for maximizing bus utilization
JPS59140694A (ja) * 1983-01-31 1984-08-13 Sharp Corp ダイナミツクｒａｍのリフレツシユ方法
US4639858A (en) * 1983-07-05 1987-01-27 Honeywell Information Systems Inc. Apparatus and method for testing and verifying the refresh logic of dynamic MOS memories
US4625296A (en) * 1984-01-17 1986-11-25 The Perkin-Elmer Corporation Memory refresh circuit with varying system transparency
FR2561414B1 (fr) * 1984-03-16 1986-09-19 Thomson Csf Systeme a microprocesseur et memoire vive dynamique avec rafraichissement par logiciel. application a un enregistreur de perturbations
US4700330A (en) * 1985-10-30 1987-10-13 Digital Equipment Corporation Memory for a digital data processing system including circuit for controlling refresh operations during power-up and power-down conditions
US4974146A (en) * 1988-05-06 1990-11-27 Science Applications International Corporation Array processor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1192371A (en) * 1966-06-02 1970-05-20 Automatic Telephone & Elect Improvements in or relating to Data Processing Devices
US3631408A (en) * 1968-09-13 1971-12-28 Hitachi Ltd Condenser memory circuit with regeneration means
US3760379A (en) * 1971-12-29 1973-09-18 Honeywell Inf Systems Apparatus and method for memory refreshment control
US3800295A (en) * 1971-12-30 1974-03-26 Ibm Asynchronously operated memory system
US4084154A (en) * 1975-05-01 1978-04-11 Burroughs Corporation Charge coupled device memory system with burst mode
IT1041882B (it) * 1975-08-20 1980-01-10 Honeywell Inf Systems Memoria dinamica a semiconduttori e relativo sistema di recarica
DE2543515A1 (de) * 1975-09-30 1977-04-07 Licentia Gmbh Verfahren zum regenerieren der speicherinhalte von speicherzellen in mos-speichern und mos-speicher zur durchfuehrung des verfahrens
US4040122A (en) * 1976-04-07 1977-08-02 Burroughs Corporation Method and apparatus for refreshing a dynamic memory by sequential transparent readings
US4073006A (en) * 1976-07-19 1978-02-07 Texas Instruments Incorporated Digital processor system with simultaneous branch and OP code function

Also Published As

Publication number Publication date
US4204254A (en) 1980-05-20

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950530