Fast sequential circuit test generation using high-level and gate-level techniques

  • Authors:
  • E. M. Rudnick;R. Vietti;A. Ellis;F. Corno;P. Prinetto;M. Sonza Reorda

  • Affiliations:
  • Center for Reliable and High-Performance Computing, University of Illinois, Urbana, IL;Politecnico di Torino, Dipartimento di Automatica e Informatica, Torino, Italy;Center for Reliable and High-Performance Computing, University of Illinois, Urbana, IL;Politecnico di Torino, Dipartimento di Automatica e Informatica, Torino, Italy;Politecnico di Torino, Dipartimento di Automatica e Informatica, Torino, Italy;Politecnico di Torino, Dipartimento di Automatica e Informatica, Torino, Italy

  • Venue:
  • Proceedings of the conference on Design, automation and test in Europe
  • Year:
  • 1998

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Abstract

A new approach for sequential circuit test generation is proposed that combines software testing based techniques at the high level with test enhancement techniques at the gate level. Several sequences are derived to ensure 100% coverage of all statements in a high-level VHDL description, or to maximize coverage of paths. The sequences are then enhanced at the gate level to maximize coverage of single stuck-at faults. High fault coverages have been achieved very quickly on several benchmark circuits using this approach.