GB1519002A - Memory circuits - Google Patents

Memory circuits

Info

Publication number
GB1519002A
GB1519002A GB24619/75A GB2461975A GB1519002A GB 1519002 A GB1519002 A GB 1519002A GB 24619/75 A GB24619/75 A GB 24619/75A GB 2461975 A GB2461975 A GB 2461975A GB 1519002 A GB1519002 A GB 1519002A
Authority
GB
United Kingdom
Prior art keywords
transistors
terminal
memory
array
address
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
GB24619/75A
Other languages
English (en)
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.)
Unisys Corp
Original Assignee
Sperry 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 Sperry Corp filed Critical Sperry Corp
Publication of GB1519002A publication Critical patent/GB1519002A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/04—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
    • G11C16/0466—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells with charge storage in an insulating layer, e.g. metal-nitride-oxide-silicon [MNOS], silicon-oxide-nitride-oxide-silicon [SONOS]

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Semiconductor Memories (AREA)
  • Read Only Memory (AREA)
  • Static Random-Access Memory (AREA)
GB24619/75A 1974-06-10 1975-06-09 Memory circuits Expired GB1519002A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/477,723 US3971001A (en) 1974-06-10 1974-06-10 Reprogrammable read only variable threshold transistor memory with isolated addressing buffer

Publications (1)

Publication Number Publication Date
GB1519002A true GB1519002A (en) 1978-07-26

Family

ID=23897095

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24619/75A Expired GB1519002A (en) 1974-06-10 1975-06-09 Memory circuits

Country Status (6)

Country Link
US (1) US3971001A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5111332A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2525646A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2332594A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1519002A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1038516B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2138232A (en) * 1983-03-17 1984-10-17 Romox Inc Reprogrammable cartridge memory

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306163A (en) * 1975-12-01 1981-12-15 Intel Corporation Programmable single chip MOS computer
US4085460A (en) * 1976-04-05 1978-04-18 Sperry Rand Corporation Decoder buffer circuit for MNOS memory
JPS5612963A (en) * 1976-08-21 1981-02-07 Ebara Mfg Multiple absorption refrigerating machine
US4130890A (en) * 1977-06-08 1978-12-19 Itt Industries, Inc. Integrated DDC memory with bitwise erase
JPS544086A (en) * 1977-06-10 1979-01-12 Fujitsu Ltd Memory circuit unit
JPS5619676A (en) * 1979-07-26 1981-02-24 Fujitsu Ltd Semiconductor device
DE3112007A1 (de) * 1980-03-27 1982-02-25 Sanyo Electric Co., Ltd., Moriguchi, Osaka Informationsabrufvorrichtung
JPS56162860A (en) * 1980-05-19 1981-12-15 Toshiba Corp Semiconductor device
JPS5731770A (en) * 1980-07-30 1982-02-20 Hitachi Ltd Steam double effect absorption type refrigerating machine
US4899315A (en) * 1987-04-28 1990-02-06 Texas Instruments Incorporated Low-power, noise-resistant read-only memory
JP3074003B2 (ja) * 1990-08-21 2000-08-07 株式会社日立製作所 半導体集積回路装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508211A (en) * 1967-06-23 1970-04-21 Sperry Rand Corp Electrically alterable non-destructive readout field effect transistor memory
US3590337A (en) * 1968-10-14 1971-06-29 Sperry Rand Corp Plural dielectric layered electrically alterable non-destructive readout memory element
US3618051A (en) * 1969-05-09 1971-11-02 Sperry Rand Corp Nonvolatile read-write memory with addressing
US3691535A (en) * 1970-06-15 1972-09-12 Sperry Rand Corp Solid state memory array
US3733591A (en) * 1970-06-24 1973-05-15 Westinghouse Electric Corp Non-volatile memory element
JPS5439697B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-11-18 1979-11-29
US3747072A (en) * 1972-07-19 1973-07-17 Sperry Rand Corp Integrated static mnos memory circuit
US3858060A (en) * 1973-06-07 1974-12-31 Ibm Integrated driver circuit
US3824564A (en) * 1973-07-19 1974-07-16 Sperry Rand Corp Integrated threshold mnos memory with decoder and operating sequence
US3836894A (en) * 1974-01-22 1974-09-17 Westinghouse Electric Corp Mnos/sos random access memory

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2138232A (en) * 1983-03-17 1984-10-17 Romox Inc Reprogrammable cartridge memory

Also Published As

Publication number Publication date
FR2332594A1 (fr) 1977-06-17
JPS5111332A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-01-29
US3971001A (en) 1976-07-20
IT1038516B (it) 1979-11-30
DE2525646A1 (de) 1975-12-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee