Generalized Sensitization using Fault Tuples

  • Authors:
  • Sounil Biswas;Kumar N. Dwarakanath;R. D. (Shawn) Blanton

  • Affiliations:
  • -;-;-

  • Venue:
  • VTS '04 Proceedings of the 22nd IEEE VLSI Test Symposium
  • Year:
  • 2004

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Abstract

Fault tuples have introduced a fault model independentmethodology for digital circuit test analysis.However,the {0, 1, X} algebra currently used with faulttuples allows only one form of path sensitization.Thesensitization options for fault tuples is enhanced basedon a 5-value algebra.The 5-value algebra enablesa more detailed test analysis through the selection ofone of three types of sensitization.Simulation experimentsperformed using the ITC'99 benchmark circuitsfor transition and path delay faults reveal that faultscan be simultaneously analyzed under different types ofsensitization criteria with little increase in memory andCPU time.