An Incremental Algorithm for Test Generation in Illinois Scan Architecture Based Designs

  • Authors:
  • A. Pandey;J. Patel

  • Affiliations:
  • Advanced Micro Devices, Inc., Sunnyvale, CA.;Center for Reliable & High-Performance Computing, 1308 W Main Street, University of Illinois, Urbana, IL

  • Venue:
  • Proceedings of the conference on Design, automation and test in Europe
  • Year:
  • 2002

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Abstract

As the complexity of VLSI circuits is increasing due to theexponential rise in transistor count per chip, testing cost isbecoming an important factor in the overall integrated circuit(IC) manufacturing cost. This paper addresses the issueof decreasing test cost by lowering the test data bits andthe number of clock cycles required to test a chip. We proposea new incremental algorithm for generating tests forIllinois Scan Architecture (ILS) based designs and provideanalysis of test data and test time reduction. This algorithmis very efficient in generating tests for a number of ILS designsin order to find the most optimal configuration.