Critical path tracing - an alternative to fault simulation

  • Authors:
  • M. Abramovici;P. R. Menon;D. T. Miller

  • Affiliations:
  • Bell Laboratories, Naperville, Illinois;Bell Laboratories, Naperville, Illinois;Bell Laboratories, Naperville, Illinois

  • Venue:
  • DAC '83 Proceedings of the 20th Design Automation Conference
  • Year:
  • 1983

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Abstract

We present an alternative to fault simulation, referred to as critical path tracing, that determines the faults detected by a set of tests using a backtracing algorithm starting at the primary outputs of a circuit. Critical path tracing is an approximate method, but the approximations introduced occur seldom and do not affect its usefulness. This method is more efficient than conventional fault simulation.