DE3382017D1 - Kompakter festwertspeicher mit reduzierter zugriffzeit. - Google Patents

Kompakter festwertspeicher mit reduzierter zugriffzeit.

Info

Publication number
DE3382017D1
DE3382017D1 DE8383302747T DE3382017T DE3382017D1 DE 3382017 D1 DE3382017 D1 DE 3382017D1 DE 8383302747 T DE8383302747 T DE 8383302747T DE 3382017 T DE3382017 T DE 3382017T DE 3382017 D1 DE3382017 D1 DE 3382017D1
Authority
DE
Germany
Prior art keywords
access time
fixed memory
reduced access
compact fixed
compact
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.)
Expired - Lifetime
Application number
DE8383302747T
Other languages
English (en)
Inventor
Kenneth I Naiff
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.)
Arris Technology Inc
Original Assignee
Arris Technology Inc
General Instrument 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 Arris Technology Inc, General Instrument Corp filed Critical Arris Technology Inc
Application granted granted Critical
Publication of DE3382017D1 publication Critical patent/DE3382017D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11C17/123—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 comprising cells having several storage transistors connected in series

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Read Only Memory (AREA)
  • Dram (AREA)
DE8383302747T 1982-06-01 1983-05-16 Kompakter festwertspeicher mit reduzierter zugriffzeit. Expired - Lifetime DE3382017D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/383,709 US4480320A (en) 1982-06-01 1982-06-01 Compact ROM with reduced access time

Publications (1)

Publication Number Publication Date
DE3382017D1 true DE3382017D1 (de) 1991-01-10

Family

ID=23514350

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383302747T Expired - Lifetime DE3382017D1 (de) 1982-06-01 1983-05-16 Kompakter festwertspeicher mit reduzierter zugriffzeit.

Country Status (4)

Country Link
US (1) US4480320A (de)
EP (1) EP0095847B1 (de)
JP (1) JPS58218100A (de)
DE (1) DE3382017D1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4545033A (en) * 1982-06-01 1985-10-01 General Instrument Corp. Compact ROM with reduced access time
US4539661A (en) * 1982-06-30 1985-09-03 Fujitsu Limited Static-type semiconductor memory device
JPS59100562A (ja) * 1982-11-30 1984-06-09 Mitsubishi Electric Corp 読み出し専用半導体記憶装置の製造方法
US4638459A (en) * 1985-01-31 1987-01-20 Standard Microsystems Corp. Virtual ground read only memory
JPH0734316B2 (ja) * 1985-05-08 1995-04-12 セイコーエプソン株式会社 半導体メモリ回路
US4744053A (en) * 1985-07-22 1988-05-10 General Instrument Corp. ROM with mask programmable page configuration
US5231603A (en) * 1985-07-22 1993-07-27 Microchip Technology Incorporated Variable page ROM
US5313420A (en) * 1987-04-24 1994-05-17 Kabushiki Kaisha Toshiba Programmable semiconductor memory
JP2894170B2 (ja) * 1993-08-18 1999-05-24 日本電気株式会社 メモリ装置
JP2908332B2 (ja) * 1996-07-30 1999-06-21 日本電気アイシーマイコンシステム株式会社 半導体メモリ回路
US5894432A (en) * 1997-07-08 1999-04-13 International Business Machines Corporation CMOS memory cell with improved read port

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183093A (en) * 1975-09-04 1980-01-08 Hitachi, Ltd. Semiconductor integrated circuit device composed of insulated gate field-effect transistor
JPS6020902B2 (ja) * 1977-04-08 1985-05-24 日本電気株式会社 読み出し専用記憶装置
JPS54132140A (en) * 1978-04-06 1979-10-13 Nec Corp Memory circuit
JPS5552593A (en) * 1978-10-11 1980-04-17 Nec Corp Memory unit
US4274147A (en) * 1979-09-04 1981-06-16 Rockwell International Corporation Static read only memory
US4344156A (en) * 1980-10-10 1982-08-10 Inmos Corporation High speed data transfer for a semiconductor memory

Also Published As

Publication number Publication date
JPS58218100A (ja) 1983-12-19
US4480320A (en) 1984-10-30
EP0095847B1 (de) 1990-11-28
EP0095847A2 (de) 1983-12-07
EP0095847A3 (en) 1985-10-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee