On-Line Testing Scheme for Clock's Faults

  • Authors:
  • Cecilia Metra;Michele Favalli;Bruno Riccó

  • Affiliations:
  • -;-;-

  • Venue:
  • ITC '97 Proceedings of the 1997 IEEE International Test Conference
  • Year:
  • 1997

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Abstract

This paper proposes an on-line testing scheme for permanentand temporary faults which affect signals of theclock distribution network of synchronous systems, andwhich make them be stuck-at, or change with incorrect frequencyor duty-cycle. By means of straightforward modifications,the proposed scheme can be also used to detecton-line undesired skews between couples of clock signals.