FR2369651A1 - Circuit de commande de memoire - Google Patents

Circuit de commande de memoire

Info

Publication number
FR2369651A1
FR2369651A1 FR7732218A FR7732218A FR2369651A1 FR 2369651 A1 FR2369651 A1 FR 2369651A1 FR 7732218 A FR7732218 A FR 7732218A FR 7732218 A FR7732218 A FR 7732218A FR 2369651 A1 FR2369651 A1 FR 2369651A1
Authority
FR
France
Prior art keywords
field effect
effect transistor
constant current
control circuit
memory control
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.)
Granted
Application number
FR7732218A
Other languages
English (en)
Other versions
FR2369651B1 (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.)
Sperry Corp
Original Assignee
Sperry Rand 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 Rand Corp filed Critical Sperry Rand Corp
Publication of FR2369651A1 publication Critical patent/FR2369651A1/fr
Application granted granted Critical
Publication of FR2369651B1 publication Critical patent/FR2369651B1/fr
Granted 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
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/26—Sensing or reading circuits; Data output circuits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/41—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming static cells with positive feedback, i.e. cells not needing refreshing or charge regeneration, e.g. bistable multivibrator or Schmitt trigger
    • G11C11/413—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing, timing or power reduction
    • G11C11/417—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing, timing or power reduction for memory cells of the field-effect type

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Static Random-Access Memory (AREA)
  • Semiconductor Memories (AREA)
  • Read Only Memory (AREA)

Abstract

Dispositif de mémoire du type qui comporte plusieurs cellules de mémoire dont chacune comprend un transistor à effet de champ. Il comprend en outre un transistor à effet de champ à courant constant 14 monté en série avec chaque transistor à effet de champ 12 d'une cellule de mémoire afin de maintenir constant le courant d'interrogation, et une source de tension de commande 20 raccordée à la grille du transistor à effet de champ à courant constant 14 pour fournir une composante de tension fixe d'activation et une composante de tension de seuil, cette tension de commande croissant ou décroissant en proportion directe des variations de la tension de seuil du transistor à effet à courant constant 14, de façon à maintenir un signal d'interrogation à courant constant dans le transistor à effet de champ 12 de la cellule de mémoire.
FR7732218A 1976-10-28 1977-10-26 Circuit de commande de memoire Granted FR2369651A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/736,651 US4099264A (en) 1976-10-28 1976-10-28 Non-destructive interrogation control circuit for a variable threshold FET memory

Publications (2)

Publication Number Publication Date
FR2369651A1 true FR2369651A1 (fr) 1978-05-26
FR2369651B1 FR2369651B1 (fr) 1983-07-08

Family

ID=24960727

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7732218A Granted FR2369651A1 (fr) 1976-10-28 1977-10-26 Circuit de commande de memoire

Country Status (7)

Country Link
US (1) US4099264A (fr)
JP (1) JPS5354932A (fr)
CA (1) CA1114952A (fr)
DE (1) DE2748571C3 (fr)
FR (1) FR2369651A1 (fr)
GB (1) GB1593554A (fr)
IT (1) IT1088477B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0051533A2 (fr) * 1980-11-03 1982-05-12 FAIRCHILD CAMERA & INSTRUMENT CORPORATION Circuit de commande à MOS d'alimentation de secours pour la mémoire à accès aléatoire d'un micro-ordinateur

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4199693A (en) * 1978-02-07 1980-04-22 Burroughs Corporation Compensated MOS timing network
USRE32200E (en) * 1980-11-03 1986-07-08 Fairchild Semiconductor Corporation MOS battery backup controller for microcomputer random access memory
JPS57192067A (en) * 1981-05-22 1982-11-26 Hitachi Ltd Erasable and programmable read only memory unit
DE3279855D1 (en) * 1981-12-29 1989-09-07 Fujitsu Ltd Nonvolatile semiconductor memory circuit
US4446536A (en) * 1982-06-21 1984-05-01 Mcdonnell Douglas Corporation Complementary metal oxide semiconductors address drive circuit
EP0218747B1 (fr) * 1985-10-15 1991-05-08 International Business Machines Corporation Amplificateur de lecture destiné à amplifier les signaux d'une ligne polarisée
US5268871A (en) * 1991-10-03 1993-12-07 International Business Machines Corporation Power supply tracking regulator for a memory array

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906461A (en) * 1974-03-29 1975-09-16 Sperry Rand Corp Integrated MNOS memory with decoder
FR2311382A1 (fr) * 1975-05-13 1976-12-10 Ncr Co Memoire matricielle
US4014007A (en) * 1975-01-21 1977-03-22 Siemens Aktiengesellschaft Circuit arrangement for placing information in a programmable ecl read only memory

Family Cites Families (6)

* 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
US4027285A (en) * 1973-12-26 1977-05-31 Motorola, Inc. Decode circuitry for bipolar random access memory
US3914620A (en) * 1973-12-26 1975-10-21 Motorola Inc Decode circuitry for bipolar random access memory
US3919566A (en) * 1973-12-26 1975-11-11 Motorola Inc Sense-write circuit for bipolar integrated circuit ram
US4014008A (en) * 1975-02-07 1977-03-22 Siemens Aktiengesellschaft Circuit arrangement for interference-free storage of information in a programmable read-only memory
DE2505245B2 (de) * 1975-02-07 1977-07-07 Siemens AG, 1000 Berlin und 8000 München Festwertspeicherbaustein

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906461A (en) * 1974-03-29 1975-09-16 Sperry Rand Corp Integrated MNOS memory with decoder
US4014007A (en) * 1975-01-21 1977-03-22 Siemens Aktiengesellschaft Circuit arrangement for placing information in a programmable ecl read only memory
FR2311382A1 (fr) * 1975-05-13 1976-12-10 Ncr Co Memoire matricielle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0051533A2 (fr) * 1980-11-03 1982-05-12 FAIRCHILD CAMERA & INSTRUMENT CORPORATION Circuit de commande à MOS d'alimentation de secours pour la mémoire à accès aléatoire d'un micro-ordinateur
EP0051533A3 (fr) * 1980-11-03 1984-03-28 FAIRCHILD CAMERA & INSTRUMENT CORPORATION Circuit de commande à MOS d'alimentation de secours pour la mémoire à accès aléatoire d'un micro-ordinateur

Also Published As

Publication number Publication date
GB1593554A (en) 1981-07-15
JPS5354932A (en) 1978-05-18
DE2748571A1 (de) 1978-05-03
US4099264A (en) 1978-07-04
FR2369651B1 (fr) 1983-07-08
DE2748571C3 (de) 1981-12-17
DE2748571B2 (fr) 1979-07-05
IT1088477B (it) 1985-06-10
CA1114952A (fr) 1981-12-22

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Legal Events

Date Code Title Description
ST Notification of lapse