A new path-oriented effect-cause methodology to diagnose delay failures

  • Authors:
  • Yuan-Chieh Hsu;Sandeep K. Gupta

  • Affiliations:
  • -;-

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

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Abstract

A new methodology to diagnose delay failures is described.Key characteristics of the methodology are (a) path-orienteddiagnosis, (b) effect-cause reasoning, and (c) utilization of informationobtained from the passing vectors. Two new representationsare developed to make manageable the complexityof a path-oriented methodology. The results of diagnosis are(a) proven to include all possible causes of observed delay errors,and (b) empirically found to have very high resolution.