FR2219490B1 - - Google Patents

Info

Publication number
FR2219490B1
FR2219490B1 FR7404764A FR7404764A FR2219490B1 FR 2219490 B1 FR2219490 B1 FR 2219490B1 FR 7404764 A FR7404764 A FR 7404764A FR 7404764 A FR7404764 A FR 7404764A FR 2219490 B1 FR2219490 B1 FR 2219490B1
Authority
FR
France
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.)
Expired
Application number
FR7404764A
Other versions
FR2219490A1 (fr
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2219490A1 publication Critical patent/FR2219490A1/fr
Application granted granted Critical
Publication of FR2219490B1 publication Critical patent/FR2219490B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • G11C17/08—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements
    • G11C17/10—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM
    • G11C17/12—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM using field-effect devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/22—Microcontrol or microprogram arrangements
    • G06F9/26—Address formation of the next micro-instruction ; Microprogram storage or retrieval arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Static Random-Access Memory (AREA)
  • Semiconductor Memories (AREA)
  • Read Only Memory (AREA)
  • Fax Reproducing Arrangements (AREA)
FR7404764A 1973-02-22 1974-02-12 Expired FR2219490B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33479673A 1973-02-22 1973-02-22

Publications (2)

Publication Number Publication Date
FR2219490A1 FR2219490A1 (fr) 1974-09-20
FR2219490B1 true FR2219490B1 (fr) 1976-11-26

Family

ID=23308876

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7404764A Expired FR2219490B1 (fr) 1973-02-22 1974-02-12

Country Status (10)

Country Link
JP (1) JPS5444181B2 (fr)
BR (1) BR7401305D0 (fr)
CA (1) CA1023861A (fr)
CH (1) CH565428A5 (fr)
ES (1) ES422727A1 (fr)
FR (1) FR2219490B1 (fr)
GB (1) GB1416508A (fr)
IT (1) IT1014547B (fr)
NL (1) NL170343C (fr)
SE (1) SE396254B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS547664B2 (fr) * 1974-11-06 1979-04-09
JPS5725676Y2 (fr) * 1979-10-05 1982-06-03

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1523942A (fr) * 1966-06-14 1968-05-03 Litton Industries Inc Mémoire électronique
US3691534A (en) * 1970-11-04 1972-09-12 Gen Instrument Corp Read only memory system having increased data rate with alternate data readout
US3731287A (en) * 1971-07-02 1973-05-01 Gen Instrument Corp Single device memory system having shift register output characteristics

Also Published As

Publication number Publication date
NL170343B (nl) 1982-05-17
BR7401305D0 (pt) 1974-11-05
GB1416508A (en) 1975-12-03
SE396254B (sv) 1977-09-12
FR2219490A1 (fr) 1974-09-20
CA1023861A (fr) 1978-01-03
NL7402068A (fr) 1974-08-26
ES422727A1 (es) 1976-08-01
DE2407011B2 (de) 1976-02-12
NL170343C (nl) 1982-10-18
CH565428A5 (fr) 1975-08-15
IT1014547B (it) 1977-04-30
JPS49115622A (fr) 1974-11-05
JPS5444181B2 (fr) 1979-12-24
DE2407011A1 (de) 1974-09-19

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Legal Events

Date Code Title Description
ST Notification of lapse