DE3869158D1 - Speicher-leseschaltung. - Google Patents

Speicher-leseschaltung.

Info

Publication number
DE3869158D1
DE3869158D1 DE8888400059T DE3869158T DE3869158D1 DE 3869158 D1 DE3869158 D1 DE 3869158D1 DE 8888400059 T DE8888400059 T DE 8888400059T DE 3869158 T DE3869158 T DE 3869158T DE 3869158 D1 DE3869158 D1 DE 3869158D1
Authority
DE
Germany
Prior art keywords
memory reading
reading
memory
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 - Fee Related
Application number
DE8888400059T
Other languages
English (en)
Inventor
Jacek Antoni Kowalski
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.)
STMicroelectronics SA
Original Assignee
SGS Thomson Microelectronics 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 SGS Thomson Microelectronics SA filed Critical SGS Thomson Microelectronics SA
Application granted granted Critical
Publication of DE3869158D1 publication Critical patent/DE3869158D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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)
  • Computer Security & Cryptography (AREA)
  • Read Only Memory (AREA)
  • Storage Device Security (AREA)
DE8888400059T 1987-01-16 1988-01-13 Speicher-leseschaltung. Expired - Fee Related DE3869158D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8700449A FR2609831B1 (fr) 1987-01-16 1987-01-16 Circuit de lecture pour memoire

Publications (1)

Publication Number Publication Date
DE3869158D1 true DE3869158D1 (de) 1992-04-23

Family

ID=9346970

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888400059T Expired - Fee Related DE3869158D1 (de) 1987-01-16 1988-01-13 Speicher-leseschaltung.

Country Status (5)

Country Link
US (1) US4881199A (de)
EP (1) EP0279712B1 (de)
JP (1) JP2673945B2 (de)
DE (1) DE3869158D1 (de)
FR (1) FR2609831B1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2617976B1 (fr) * 1987-07-10 1989-11-10 Thomson Semiconducteurs Detecteur electrique de niveau logique binaire
KR930002385B1 (en) * 1988-08-30 1993-03-29 Fujitsu Ltd Semiconductor memory circuit which is able to program
US4851720A (en) * 1988-09-02 1989-07-25 Cypress Semiconductor Corporation Low power sense amplifier for programmable logic device
FR2638869B1 (fr) * 1988-11-10 1990-12-21 Sgs Thomson Microelectronics Dispositif de securite contre la detection non autorisee de donnees protegees
FR2690008B1 (fr) * 1991-05-29 1994-06-10 Gemplus Card Int Memoire avec cellule memoire eeprom a effet capacitif et procede de lecture d'une telle cellule memoire.
US5412599A (en) * 1991-09-26 1995-05-02 Sgs-Thomson Microelectronics, S.R.L. Null consumption, nonvolatile, programmable switch
FR2683342B1 (fr) * 1991-10-31 1994-01-07 Gemplus Card International Circuit d'interface pour carte a circuit integre.
FR2686989B1 (fr) * 1992-01-30 1997-01-17 Gemplus Card Int Procede de comptage de securite pour un compteur electronique binaire.
FR2703501B1 (fr) * 1993-04-01 1995-05-19 Gemplus Card Int Circuit intégré pour carte à mémoire et procédé de décomptage d'unités dans une carte à mémoire.
FR2703526B1 (fr) * 1993-04-02 1995-05-19 Gemplus Card Int Circuit de déclenchement automatique.
FR2705810B1 (fr) * 1993-05-26 1995-06-30 Gemplus Card Int Puce de carte à puce munie d'un moyen de limitation du nombre d'authentifications.
FR2739737B1 (fr) * 1995-10-09 1997-11-21 Inside Technologies Perfectionnements aux cartes a memoire
FR2739706B1 (fr) * 1995-10-09 1997-11-21 Inside Technologies Perfectionnements aux cartes a memoire
WO1999066452A1 (de) * 1998-06-12 1999-12-23 Kreft Hans Diedrich Chipkarte mit elektronischer sicherheitsschaltung
FR2779849B1 (fr) * 1998-06-15 2000-07-28 Schlumberger Ind Sa Dispositif a circuit integre securise au moyen de lignes complementaires de bus
EP1062632B1 (de) * 1999-01-07 2015-05-20 Nxp B.V. Mobiler datenträger
FR2800490B1 (fr) * 1999-11-02 2002-01-04 Sagem Procede pour assurer l'inviolabilite d'un micromodule de carte a puce contre une analyse de sa consommation de courant et micromodule agence pour sa mise en oeuvre
GB2365153A (en) * 2000-01-28 2002-02-13 Simon William Moore Microprocessor resistant to power analysis with an alarm state
US7055007B2 (en) * 2003-04-10 2006-05-30 Arm Limited Data processor memory circuit
US7181966B2 (en) * 2004-09-08 2007-02-27 Nippon Soken, Inc. Physical quantity sensor and method for manufacturing the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5833638B2 (ja) * 1979-09-21 1983-07-21 株式会社日立製作所 メモリ装置
US4387444A (en) * 1980-07-07 1983-06-07 Hughes Aircraft Company Non-volatile semiconductor memory cells
JPS601712B2 (ja) * 1980-12-04 1985-01-17 株式会社東芝 半導体記憶装置
JPS6057598A (ja) * 1983-09-07 1985-04-03 Nec Corp 読み出し専用メモリ
JPS60113397A (ja) * 1983-11-24 1985-06-19 Fujitsu Ltd プログラマブルリ−ドオンリメモリ装置
JPS60252979A (ja) * 1984-05-30 1985-12-13 Oki Electric Ind Co Ltd Ｃｍｏｓ入出力回路
JPH0746515B2 (ja) * 1984-12-28 1995-05-17 日本電気株式会社 デコ−ダ回路

Also Published As

Publication number Publication date
FR2609831B1 (fr) 1989-03-31
US4881199A (en) 1989-11-14
JP2673945B2 (ja) 1997-11-05
JPS63192146A (ja) 1988-08-09
FR2609831A1 (fr) 1988-07-22
EP0279712A1 (de) 1988-08-24
EP0279712B1 (de) 1992-03-18

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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