ES2084661T3 - Contador no volatil. - Google Patents

Contador no volatil.

Info

Publication number
ES2084661T3
ES2084661T3 ES90307241T ES90307241T ES2084661T3 ES 2084661 T3 ES2084661 T3 ES 2084661T3 ES 90307241 T ES90307241 T ES 90307241T ES 90307241 T ES90307241 T ES 90307241T ES 2084661 T3 ES2084661 T3 ES 2084661T3
Authority
ES
Spain
Prior art keywords
word
fault
signals
cells
fault signals
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 - Lifetime
Application number
ES90307241T
Other languages
English (en)
Inventor
Daniel Harrison Bennett
Kenelm Gerald Digby Murray
Gary Lawrence Dodd
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.)
Hughes Microelectronics Ltd
Original Assignee
Hughes Microelectronics Ltd
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 Hughes Microelectronics Ltd filed Critical Hughes Microelectronics Ltd
Application granted granted Critical
Publication of ES2084661T3 publication Critical patent/ES2084661T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/40—Monitoring; Error detection; Preventing or correcting improper counter operation
    • H03K21/403—Arrangements for storing the counting state in case of power supply interruption

Landscapes

  • Techniques For Improving Reliability Of Storages (AREA)
  • For Increasing The Reliability Of Semiconductor Memories (AREA)
  • Hardware Redundancy (AREA)
  • Read Only Memory (AREA)

Abstract

UN CONTADOR NO VOLATIL COMPUESTO POR: UN CONJUNTO DE CELULAS DE MEMORIA QUE INCORPORA GRUPOS 1 DE CELULAS, CADA GRUPO DE CELULAS 1 DIVIDIDO EN CADENAS DE PALABRA X, X'' CAPACES DE ALMACENAR PALABRAS DE DATOS Y SEÑALIZADORES DE FALLO ASOCIADOS FR, MEDIOS DETECTORES 3 PARA COMPROBAR EL ESTADO DE LAS CELULAS DE MEMORIA Y PARA EMITIR SEÑALES DE FALLO A LOS SEÑALIZADORES DE FALLOS, Y MEDIOS LOGICOS 5 QUE RESPONDEN A LAS SEÑALES DE FALLO Y A LOS SEÑALIZADORES DE FALLO PARA SELECCIONAR LAS CADENAS DE PALABRA, DONDE LAS CELULAS DE MEMORIA INCLUYEN AL MENOS DOS TRANSISTORES NO VOLATILES Y DONDE AL DETECTARSE UN FALLO EN UNA CADENA DE PALABRA X SE ESCRIBE LA PALABRA DE DATOS ALMACENADA EN UNA SEGUNDA CADENA DE PALABRA X''.
ES90307241T 1989-07-13 1990-07-03 Contador no volatil. Expired - Lifetime ES2084661T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898916017A GB8916017D0 (en) 1989-07-13 1989-07-13 A non-volatile counter

Publications (1)

Publication Number Publication Date
ES2084661T3 true ES2084661T3 (es) 1996-05-16

Family

ID=10659969

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90307241T Expired - Lifetime ES2084661T3 (es) 1989-07-13 1990-07-03 Contador no volatil.

Country Status (7)

Country Link
US (1) US5105449A (es)
EP (1) EP0408234B1 (es)
JP (1) JPH03116600A (es)
CA (1) CA2019581C (es)
DE (1) DE69025996T2 (es)
ES (1) ES2084661T3 (es)
GB (1) GB8916017D0 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5386533A (en) * 1990-11-21 1995-01-31 Texas Instruments Incorporated Method and apparatus for maintaining variable data in a non-volatile electronic memory device
JP2002526844A (ja) * 1998-09-30 2002-08-20 インフィネオン テクノロジース アクチエンゲゼルシャフト メモリ領域の内容の認証のための回路装置及び方法
US9595343B1 (en) 2016-06-05 2017-03-14 Apple Inc. Early prediction of failure in programming a nonvolatile memory
US10318416B2 (en) 2017-05-18 2019-06-11 Nxp B.V. Method and system for implementing a non-volatile counter using non-volatile memory

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3331058A (en) * 1964-12-24 1967-07-11 Fairchild Camera Instr Co Error free memory
US4483001A (en) * 1982-06-16 1984-11-13 International Business Machines Corporation Online realignment of memory faults
JPH0670880B2 (ja) * 1983-01-21 1994-09-07 株式会社日立マイコンシステム 半導体記憶装置
US4566102A (en) * 1983-04-18 1986-01-21 International Business Machines Corporation Parallel-shift error reconfiguration
JPS6049218A (ja) * 1983-08-30 1985-03-18 Nippon Denso Co Ltd 車両用走行距離計
GB2171543B (en) * 1985-02-27 1988-04-20 Hughes Microelectronics Ltd Counting circuit which provides for extended counter life
DE3532768A1 (de) * 1985-09-13 1987-03-19 Bosch Gmbh Robert Schaltungsanordnung zur addition, speicherung und wiedergabe elektrischer zaehlimpulse
GB8616852D0 (en) * 1986-07-10 1986-08-20 Hughes Microelectronics Ltd Electronic counter
US4757522A (en) * 1986-10-01 1988-07-12 Vdo Adolf Schindling Ag Counting circuit employing more equatably used plural counters for extended life
US4774712A (en) * 1986-10-01 1988-09-27 International Business Machines Corporation Redundant storage device having address determined by parity of lower address bits
US4947410A (en) * 1989-02-23 1990-08-07 General Motors Corporation Method and apparatus for counting with a nonvolatile memory

Also Published As

Publication number Publication date
DE69025996T2 (de) 1996-10-02
DE69025996D1 (de) 1996-04-25
EP0408234A3 (en) 1991-10-30
GB8916017D0 (en) 1989-08-31
US5105449A (en) 1992-04-14
CA2019581A1 (en) 1991-01-13
JPH03116600A (ja) 1991-05-17
CA2019581C (en) 2000-05-16
EP0408234A2 (en) 1991-01-16
EP0408234B1 (en) 1996-03-20

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