FR2402970A1 - GENERATOR OF DIGITAL SIGNAL SEQUENCES INTENDED IN PARTICULAR FOR THE CONTROL OF RAMS - Google Patents

GENERATOR OF DIGITAL SIGNAL SEQUENCES INTENDED IN PARTICULAR FOR THE CONTROL OF RAMS

Info

Publication number
FR2402970A1
FR2402970A1 FR7727626A FR7727626A FR2402970A1 FR 2402970 A1 FR2402970 A1 FR 2402970A1 FR 7727626 A FR7727626 A FR 7727626A FR 7727626 A FR7727626 A FR 7727626A FR 2402970 A1 FR2402970 A1 FR 2402970A1
Authority
FR
France
Prior art keywords
generator
digital signal
control
rams
sequence
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.)
Withdrawn
Application number
FR7727626A
Other languages
French (fr)
Inventor
Francois Nectoux
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Priority to FR7727626A priority Critical patent/FR2402970A1/en
Publication of FR2402970A1 publication Critical patent/FR2402970A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/56—External testing equipment for static stores, e.g. automatic test equipment [ATE]; Interfaces therefor

Landscapes

  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)

Abstract

Générateur de séquences de signaux numériques destiné notamment au contrôle des mémoires vives. Selon un mode de réalisation préféré de l'invention, ce générateur fournit une première séquence de chiffres à n eb telle que chaque chiffre apparaisse 2**n fois et que tous ces chiffres sont précédés ou suivis d'un chiffre différent à chaque fois qu'ils apparaissent dans la séquence et il fournit aussi une deuxième séquence semblable à la première mais décalée d'un temps de sorte que cette deuxième séquence peut être comparée directement avec les mots de sortie de la mémoire à contrôler. Application au contrôle des mémoires vives.Generator of digital signal sequences intended in particular for controlling RAMs. According to a preferred embodiment of the invention, this generator provides a first sequence of digits at n eb such that each digit appears 2 ** n times and that all these digits are preceded or followed by a different digit each time that 'they appear in the sequence and it also provides a second sequence similar to the first but shifted by a time so that this second sequence can be compared directly with the output words of the memory to be checked. Application to the control of live memories.

FR7727626A 1977-09-13 1977-09-13 GENERATOR OF DIGITAL SIGNAL SEQUENCES INTENDED IN PARTICULAR FOR THE CONTROL OF RAMS Withdrawn FR2402970A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7727626A FR2402970A1 (en) 1977-09-13 1977-09-13 GENERATOR OF DIGITAL SIGNAL SEQUENCES INTENDED IN PARTICULAR FOR THE CONTROL OF RAMS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7727626A FR2402970A1 (en) 1977-09-13 1977-09-13 GENERATOR OF DIGITAL SIGNAL SEQUENCES INTENDED IN PARTICULAR FOR THE CONTROL OF RAMS

Publications (1)

Publication Number Publication Date
FR2402970A1 true FR2402970A1 (en) 1979-04-06

Family

ID=9195333

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7727626A Withdrawn FR2402970A1 (en) 1977-09-13 1977-09-13 GENERATOR OF DIGITAL SIGNAL SEQUENCES INTENDED IN PARTICULAR FOR THE CONTROL OF RAMS

Country Status (1)

Country Link
FR (1) FR2402970A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0307549A2 (en) * 1987-08-14 1989-03-22 International Business Machines Corporation Memory test pattern generator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0307549A2 (en) * 1987-08-14 1989-03-22 International Business Machines Corporation Memory test pattern generator
EP0307549A3 (en) * 1987-08-14 1990-08-22 International Business Machines Corporation Memory test pattern generator

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Legal Events

Date Code Title Description
ST Notification of lapse