Consequences of port restrictions on testing two-port memories

  • Authors:
  • Said Hamdioui;A. J. van de Goor

  • Affiliations:
  • -;-

  • Venue:
  • ITC '98 Proceedings of the 1998 IEEE International Test Conference
  • Year:
  • 1998

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Abstract

Testing two-port memories requires the useof single-port tests as well as special two-port tests; thetest strategy determines which tests to be used. Manytwo-port memories have ports which are read-only orwrite-only; this impacts the possible fault models, thetests for single-port and two-port memories, as well asthe test strategy. This paper presents a test strategyfor two-port memories and covers the consequences ofthe port restrictions (read-only or write-only ports).