FR2445586A1 - Procede d'inscription d'un caractere temoin dans une memoire a stockage de charge electrique et dispositif obtenu par ce procede - Google Patents

Procede d'inscription d'un caractere temoin dans une memoire a stockage de charge electrique et dispositif obtenu par ce procede

Info

Publication number
FR2445586A1
FR2445586A1 FR7836543A FR7836543A FR2445586A1 FR 2445586 A1 FR2445586 A1 FR 2445586A1 FR 7836543 A FR7836543 A FR 7836543A FR 7836543 A FR7836543 A FR 7836543A FR 2445586 A1 FR2445586 A1 FR 2445586A1
Authority
FR
France
Prior art keywords
memory
zone
electric charge
charge storage
recording
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
FR7836543A
Other languages
English (en)
French (fr)
Other versions
FR2445586B1 (enExample
Inventor
Jean Mollier
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.)
Compagnie Internationale pour l'Informatique CII-Honeywell Bull SA
Original Assignee
Compagnie Internationale pour l'Informatique CII-Honeywell Bull SA
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 Compagnie Internationale pour l'Informatique CII-Honeywell Bull SA filed Critical Compagnie Internationale pour l'Informatique CII-Honeywell Bull SA
Priority to FR7836543A priority Critical patent/FR2445586A1/fr
Priority to EP19790401040 priority patent/EP0013523B1/fr
Priority to DE7979401040T priority patent/DE2966358D1/de
Priority to BR7908578A priority patent/BR7908578A/pt
Priority to JP16954779A priority patent/JPS5597090A/ja
Priority to ES487299A priority patent/ES8101801A1/es
Publication of FR2445586A1 publication Critical patent/FR2445586A1/fr
Application granted granted Critical
Publication of FR2445586B1 publication Critical patent/FR2445586B1/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
    • G11C16/22—Safety or protection circuits preventing unauthorised or accidental access to memory cells
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0751—Error or fault detection not based on redundancy
    • G06F11/0763—Error or fault detection not based on redundancy by bit configuration check, e.g. of formats or tags
    • 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
    • G11C11/401—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 cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C11/406—Management or control of the refreshing or charge-regeneration cycles
    • 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
    • G11C11/401—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 cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
    • G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
    • G11C11/4078—Safety or protection circuits, e.g. for preventing inadvertent or unauthorised reading or writing; Status cells; Test cells
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/24—Memory cell safety or protection circuits, e.g. arrangements for preventing inadvertent reading or writing; Status cells; Test cells

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Security & Cryptography (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Read Only Memory (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • For Increasing The Reliability Of Semiconductor Memories (AREA)
  • Storage Device Security (AREA)
  • Meter Arrangements (AREA)
FR7836543A 1978-12-27 1978-12-27 Procede d'inscription d'un caractere temoin dans une memoire a stockage de charge electrique et dispositif obtenu par ce procede Granted FR2445586A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7836543A FR2445586A1 (fr) 1978-12-27 1978-12-27 Procede d'inscription d'un caractere temoin dans une memoire a stockage de charge electrique et dispositif obtenu par ce procede
EP19790401040 EP0013523B1 (fr) 1978-12-27 1979-12-19 Procédé d'inscription d'un caractère témoin dans une mémoire à stockage de charges électriques et dispositif obtenu par ce procédé
DE7979401040T DE2966358D1 (en) 1978-12-27 1979-12-19 Method for writing a pilot character in an electric-charge storing memory and device obtained by this method
BR7908578A BR7908578A (pt) 1978-12-27 1979-12-27 Processo de inscricao de um elemento indicador em uma memoria de estocagem de carga eletrica e dispositivo obtido por esse processo
JP16954779A JPS5597090A (en) 1978-12-27 1979-12-27 Method of and device for writing control character in memory having charge storing cells
ES487299A ES8101801A1 (es) 1978-12-27 1979-12-27 Procedimiento de inscripcion de un caracter testigo en una memoria compuesta de elementos o celulas de almacenamiento cargas electricas y dispositivo obtenido por procedimiento

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7836543A FR2445586A1 (fr) 1978-12-27 1978-12-27 Procede d'inscription d'un caractere temoin dans une memoire a stockage de charge electrique et dispositif obtenu par ce procede

Publications (2)

Publication Number Publication Date
FR2445586A1 true FR2445586A1 (fr) 1980-07-25
FR2445586B1 FR2445586B1 (enExample) 1983-09-30

Family

ID=9216597

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7836543A Granted FR2445586A1 (fr) 1978-12-27 1978-12-27 Procede d'inscription d'un caractere temoin dans une memoire a stockage de charge electrique et dispositif obtenu par ce procede

Country Status (6)

Country Link
EP (1) EP0013523B1 (enExample)
JP (1) JPS5597090A (enExample)
BR (1) BR7908578A (enExample)
DE (1) DE2966358D1 (enExample)
ES (1) ES8101801A1 (enExample)
FR (1) FR2445586A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455320B1 (fr) * 1979-04-25 1986-01-24 Cii Honeywell Bull Dispositif de recyclage de supports d'enregistrement identifiables a l'aide de donnees d'identification et composes de memoires monolithiques non volatiles effacables
FR2567302A1 (fr) * 1984-07-09 1986-01-10 Stanislas Cottignies Procede de controle d'une memoire non volatile de type semi-conducteur a injection de charges electriques, memoire controlable et dispositif de controle de ladite memoire
JPH01306951A (ja) * 1988-06-03 1989-12-11 Hitachi Ltd 半導体集積回路装置
US5644636A (en) * 1994-12-30 1997-07-01 Xtec, Incorporated Method and apparatus for securing data stored in semiconductor memory cells

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2302568A1 (fr) * 1975-02-28 1976-09-24 Siemens Ag Dispositif electronique de memoire a semi-conducteurs d'inscription et de lecture a acces aleatoi
DE2516124A1 (de) * 1975-04-12 1976-10-21 Licentia Gmbh Datenspeicherschaltung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50120931A (enExample) * 1974-03-11 1975-09-22
JPS5346237A (en) * 1976-10-08 1978-04-25 Canon Inc Electronic device having memory unit capable of write-in and readout
JPS608555B2 (ja) * 1977-01-24 1985-03-04 日本電気株式会社 半導体一時記憶装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2302568A1 (fr) * 1975-02-28 1976-09-24 Siemens Ag Dispositif electronique de memoire a semi-conducteurs d'inscription et de lecture a acces aleatoi
DE2516124A1 (de) * 1975-04-12 1976-10-21 Licentia Gmbh Datenspeicherschaltung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/78 *

Also Published As

Publication number Publication date
EP0013523B1 (fr) 1983-10-26
JPH0338679B2 (enExample) 1991-06-11
FR2445586B1 (enExample) 1983-09-30
ES487299A0 (es) 1980-12-16
ES8101801A1 (es) 1980-12-16
BR7908578A (pt) 1980-07-08
EP0013523A1 (fr) 1980-07-23
JPS5597090A (en) 1980-07-23
DE2966358D1 (en) 1983-12-01

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