Guided gate-level ATPG for sequential circuits using a high-level test generation approach

  • Authors:
  • Bijan Alizadeh;Masahiro Fujita

  • Affiliations:
  • University of Tokyo and CREST, Tokyo, Japan;University of Tokyo and CREST, Tokyo, Japan

  • Venue:
  • Proceedings of the 2010 Asia and South Pacific Design Automation Conference
  • Year:
  • 2010

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Abstract

This paper proposes a non-scan gate-level Automatic Test Pattern Generation (ATPG) methodology which keeps the regularity in the arithmetic operations while reasoning about these operations for generating high-level test patterns from only faulty behavior of the design. Then by considering generated high-level test patterns as constraints and passing them to a SMT-solver we are able to automatically and efficiently generate gate-level test patterns. Experimental results show robustness and reliability of our method compared to other contemporary methods in terms of the fault coverage and CPU time.