DE2842690C2 - - Google Patents

Info

Publication number
DE2842690C2
DE2842690C2 DE2842690A DE2842690A DE2842690C2 DE 2842690 C2 DE2842690 C2 DE 2842690C2 DE 2842690 A DE2842690 A DE 2842690A DE 2842690 A DE2842690 A DE 2842690A DE 2842690 C2 DE2842690 C2 DE 2842690C2
Authority
DE
Germany
Prior art keywords
coupling
field effect
fet
read
line
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
Application number
DE2842690A
Other languages
German (de)
English (en)
Other versions
DE2842690A1 (de
Inventor
Leo Albert Reston Va. Us Gladstein
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 DE2842690A1 publication Critical patent/DE2842690A1/de
Application granted granted Critical
Publication of DE2842690C2 publication Critical patent/DE2842690C2/de
Granted 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

Landscapes

  • Read Only Memory (AREA)
DE19782842690 1977-10-31 1978-09-30 Mos-festwertspeicher Granted DE2842690A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/847,353 US4151603A (en) 1977-10-31 1977-10-31 Precharged FET ROS array

Publications (2)

Publication Number Publication Date
DE2842690A1 DE2842690A1 (de) 1979-05-10
DE2842690C2 true DE2842690C2 (OSRAM) 1988-09-15

Family

ID=25300408

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782842690 Granted DE2842690A1 (de) 1977-10-31 1978-09-30 Mos-festwertspeicher

Country Status (8)

Country Link
US (1) US4151603A (OSRAM)
JP (1) JPS5467727A (OSRAM)
DE (1) DE2842690A1 (OSRAM)
FR (1) FR2410337A1 (OSRAM)
GB (1) GB1600878A (OSRAM)
IT (1) IT1159144B (OSRAM)
NL (1) NL7810256A (OSRAM)
SE (1) SE7809865L (OSRAM)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5613584A (en) * 1979-07-11 1981-02-09 Hitachi Ltd Setting circuit for data line potential
JPS5847796B2 (ja) * 1979-05-26 1983-10-25 富士通株式会社 半導体メモリ装置
EP0072846A1 (en) * 1981-02-25 1983-03-02 Motorola, Inc. Memory cell having more than two voltage levels
JPS57167197A (en) * 1981-04-07 1982-10-14 Nec Corp Memory circuit
FR2548429B1 (fr) * 1983-06-28 1988-12-30 Efcis Memoire permanente organisee en deux demi-plans pour ameliorer la vitesse de lecture
US4725986A (en) * 1983-09-20 1988-02-16 International Business Machines Corporation FET read only memory cell with word line augmented precharging of the bit lines
JPH0666114B2 (ja) * 1984-09-21 1994-08-24 株式会社日立製作所 半導体集積回路
JPS63302495A (ja) * 1987-04-03 1988-12-09 Toshiba Corp 半導体メモリ装置
JPH02143147U (OSRAM) * 1989-05-08 1990-12-05
US5233637A (en) * 1991-11-01 1993-08-03 Hewlett-Packard Company System for generating an analog regulating voltage

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3866186A (en) * 1972-05-16 1975-02-11 Tokyo Shibaura Electric Co Logic circuit arrangement employing insulated gate field effect transistors
US3851317A (en) * 1973-05-04 1974-11-26 Ibm Double density non-volatile memory array
GB1456608A (en) * 1973-08-23 1976-11-24 Ibm Read only memory
US4057787A (en) * 1975-01-09 1977-11-08 International Business Machines Corporation Read only memory
JPS51111020A (en) * 1975-03-26 1976-10-01 Hitachi Ltd Semiconductor fixing memory equipment
US4093942A (en) * 1975-06-05 1978-06-06 Tokyo Shibaura Electric Co., Ltd. Matrix circuits
US3969708A (en) * 1975-06-30 1976-07-13 International Business Machines Corporation Static four device memory cell
US4031524A (en) * 1975-10-17 1977-06-21 Teletype Corporation Read-only memories, and readout circuits therefor

Also Published As

Publication number Publication date
FR2410337A1 (fr) 1979-06-22
FR2410337B1 (OSRAM) 1980-10-31
JPS5467727A (en) 1979-05-31
IT1159144B (it) 1987-02-25
GB1600878A (en) 1981-10-21
IT7828240A0 (it) 1978-09-29
NL7810256A (nl) 1979-05-02
JPS5723957B2 (OSRAM) 1982-05-21
SE7809865L (sv) 1979-05-01
DE2842690A1 (de) 1979-05-10
US4151603A (en) 1979-04-24

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee