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)

Applications Claiming Priority (1)

Publications (3)

Family

ID=23308876

Family Applications (1)

Country Status (10)

Families Citing this family (2)

Family Cites Families (3)

• 1974
  • 1974-01-07 GB GB60574A patent/GB1416508A/en not_active Expired
  • 1974-01-29 ES ES422727A patent/ES422727A1/es not_active Expired
  • 1974-01-29 SE SE7401106A patent/SE396254B/xx unknown
  • 1974-02-06 CH CH161874A patent/CH565428A5/xx not_active IP Right Cessation
  • 1974-02-08 IT IT2030974A patent/IT1014547B/it active
  • 1974-02-12 FR FR7404764A patent/FR2219490B1/fr not_active Expired
  • 1974-02-15 CA CA192,695A patent/CA1023861A/en not_active Expired
  • 1974-02-15 NL NL7402068A patent/NL170343C/nl not_active IP Right Cessation
  • 1974-02-20 JP JP1961474A patent/JPS5444181B2/ja not_active Expired
  • 1974-02-21 BR BR130574A patent/BR7401305D0/pt unknown

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