DE68926718D1 - Datensicherungsverfahren für einen programmierbaren Speicher - Google Patents

Datensicherungsverfahren für einen programmierbaren Speicher

Info

Publication number
DE68926718D1
DE68926718D1 DE68926718T DE68926718T DE68926718D1 DE 68926718 D1 DE68926718 D1 DE 68926718D1 DE 68926718 T DE68926718 T DE 68926718T DE 68926718 T DE68926718 T DE 68926718T DE 68926718 D1 DE68926718 D1 DE 68926718D1
Authority
DE
Germany
Prior art keywords
data backup
programmable memory
backup method
programmable
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
DE68926718T
Other languages
English (en)
Other versions
DE68926718T2 (de
Inventor
Sudhakar Boddu
Vikram Kowshik
Elroy M Lucero
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.)
National Semiconductor Corp
Original Assignee
National Semiconductor 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 National Semiconductor Corp filed Critical National Semiconductor Corp
Publication of DE68926718D1 publication Critical patent/DE68926718D1/de
Application granted granted Critical
Publication of DE68926718T2 publication Critical patent/DE68926718T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14—Protection against unauthorised use of memory or access to memory
    • G06F12/1416—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights
    • G06F12/1425—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block
    • G06F12/1441—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block for a range

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Read Only Memory (AREA)
  • Storage Device Security (AREA)
DE68926718T 1988-01-28 1989-01-23 Datensicherungsverfahren für einen programmierbaren Speicher Expired - Fee Related DE68926718T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14937388A 1988-01-28 1988-01-28

Publications (2)

Publication Number Publication Date
DE68926718D1 true DE68926718D1 (de) 1996-08-01
DE68926718T2 DE68926718T2 (de) 1997-02-20

Family

ID=22529990

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68926718T Expired - Fee Related DE68926718T2 (de) 1988-01-28 1989-01-23 Datensicherungsverfahren für einen programmierbaren Speicher

Country Status (5)

Country Link
EP (1) EP0326053B1 (de)
JP (1) JPH025157A (de)
KR (1) KR0127748B1 (de)
CA (1) CA1322414C (de)
DE (1) DE68926718T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5550997A (en) * 1992-11-18 1996-08-27 Canon Kabushiki Kaisha In an interactive network board, a method and apparatus for preventing inadvertent loading of a programmable read only memory
FR2732487B1 (fr) * 1995-03-31 1997-05-30 Sgs Thomson Microelectronics Procede de protection de zones de memoires non volatiles
FR2757654B1 (fr) * 1996-12-24 1999-02-05 Sgs Thomson Microelectronics Memoire avec zones protegees en lecture
DE19738712C2 (de) * 1997-09-04 2001-09-20 Siemens Ag Nichtflüchtiger Speicher mit zu Subblöcken zusammengefaßten Speicherzellen
FR2770327B1 (fr) * 1997-10-24 2000-01-14 Sgs Thomson Microelectronics Memoire non volatile programmable et effacable electriquement comprenant une zone protegeable en lecture et/ou en ecriture et systeme electronique l'incorporant
US6526128B1 (en) * 1999-03-08 2003-02-25 Agere Systems Inc. Partial voice message deletion
DE102006005480B3 (de) * 2006-02-03 2007-02-22 Technische Universität Clausthal Mikroprozessor und Compiler

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2842548A1 (de) * 1978-09-29 1980-04-10 Siemens Ag Programmierbare speicherschutzlogik fuer mikroprozessorsysteme
US4573119A (en) * 1983-07-11 1986-02-25 Westheimer Thomas O Computer software protection system
DE3514430A1 (de) * 1985-04-20 1986-10-23 Sartorius GmbH, 3400 Göttingen Verfahren zum abspeichern von daten in einem elektrisch loeschbaren speicher und elektrisch loeschbarer speicher zur durchfuehrung des verfahrens
US4835733A (en) * 1985-09-30 1989-05-30 Sgs-Thomson Microelectronics, Inc. Programmable access memory

Also Published As

Publication number Publication date
EP0326053A3 (de) 1991-01-02
EP0326053A2 (de) 1989-08-02
KR0127748B1 (ko) 1998-10-01
KR890012316A (ko) 1989-08-25
DE68926718T2 (de) 1997-02-20
CA1322414C (en) 1993-09-21
EP0326053B1 (de) 1996-06-26
JPH025157A (ja) 1990-01-10

Similar Documents

Publication Publication Date Title
DE69025121D1 (de) Taktsteuerung für einen Speicher
DE69232458T2 (de) Programmierbare Zeitsteuerung für Speicher
DE69620934T2 (de) Schreibschaltung für einen synchronen RAM Speicher
DE69524844T2 (de) Speicherdaten-Sicherung für ferroelektrischen Speicher
DE69131271T2 (de) Dateiverwaltungssystem für einen teilweise wiederbechreibbaren Datenträger
DE3852989T2 (de) Software-konfigurierbarer Speicher für ein Datenverarbeitungssystem mit graphischer Tätigkeit.
DE3856414D1 (de) Editiergerät für ein Datenverarbeitungssystem
DE69030567T2 (de) Redundanz für serielle Speicher
DE69502169D1 (de) Verfahren zum Einschreiben von Daten in einen Speicher und entsprechender elektrisch-programmierbarer Speicher
DE3889390T2 (de) Schreibe-Schutzmechanismus für nichtflüchtigen Speicher.
DE69217761T2 (de) Lese- und Schreibschaltung für einen Speicher
MX157472A (es) Mejoras en un metodo para corregir datos sismicos distorsionados
DE3885985T2 (de) Speichersteueranordnung für ein Daten verarbeitendes System.
DE68929080D1 (de) Anordnung zum Speichern von Informationen für einen Datenanbieterprozessor
DE68928811D1 (de) Verkapselungssystem für ein Rechnersystem
DE68926718D1 (de) Datensicherungsverfahren für einen programmierbaren Speicher
DE3785324D1 (de) Einrichtung zum lesen von daten aus einem speicher.
DE3865312D1 (de) Leseschaltung fuer einen speicher.
DE3853369T2 (de) Steuerungssystem für einen Speicher.
DE69018107T2 (de) Daten-Wiedergabeschaltung für ein Speichersystem.
DE68921415T2 (de) Nichtflüchtige Speicheranordnung, fähig zum Liefern richtiger Lesedaten zu einem bestimmten Zeitpunkt.
DE69020063T2 (de) Stromabfühlverstärker für einen Speicher.
DE3785961T2 (de) Leseschaltung für einen vielstufigen Speicher.
DE68922454T2 (de) Servodaten für einen magnetischen Datenspeicher.
DE68920844T2 (de) Speicher für digitales programmierbares Filter.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee