Fault Distinguishing Pattern Generation

  • Authors:
  • Tom Bartenstein

  • Affiliations:
  • -

  • Venue:
  • ITC '00 Proceedings of the 2000 IEEE International Test Conference
  • Year:
  • 2000

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Abstract

Test Generation for VLSI circuits suffers fromtwo competing goals - to reduce the cost of test byminimizing the number of tests, and to be able todiagnose errors when failures occur. This paperoutlines a methodology for generating diagnostic testpatterns as they are needed using standard ATPG tools.These diagnostic patterns are guaranteed to providebetter diagnostic resolution than traditional manufacturingtest patterns, and the use of standard ATPG toolsenables generation of diagnostic patterns only whenthese patterns are needed.