publication . Article . 2021

Construction and application of march tests for pattern sensitive memory faults detection

V. N. Yarmolik; V. A. Levantsevich; D. V. Demenkovets; I. Mrozek;
Open Access
  • Published: 29 Mar 2021 Journal: Informatics, volume 18, pages 25-42 (issn: 1816-0301, eissn: 2617-6963, Copyright policy)
  • Publisher: United Institute of Informatics Problems of the National Academy of Sciences of Belarus
Abstract
The urgency of the problem of testing storage devices of modern computer systems is shown. The mathematical models of their faults and the methods used for testing the most complex cases by classical march tests are investigated. Passive pattern sensitive faults (PNPSFk) are allocated, in which arbitrary k from N memory cells participate, where k << N, and N is the memory capacity in bits. For these faults, analytical expressions are given for the minimum and maximum fault coverage that is achievable within the march tests. The concept of a primitive is defined, which describes in terms of march test elements the conditions for activation and fault detecti...
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