Transition Fault Simulation

  • Authors:
  • John Waicukauski;Eric Lindbloom;Barry Rosen;Vijay Iyengar

  • Affiliations:
  • IBM;IBM;IBM;IBM

  • Venue:
  • IEEE Design & Test
  • Year:
  • 1987

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Abstract

Delay fault testing is becoming more important as VLSI chips become more complex. Components that are fragments of functions,such as those in gate-array designs, need a general model of a delay fault and a feasible method of generating test patternsand simulating the fault. The authors present such a model, called a transition fault, which when used with parallel-pattern,single-fault propagation, is an efficient way to simulate delay faults. The authors describe results from 10 benchmark designsand discuss add-ons to a stuck fault simulator to enable transition fault simulation. Their experiments show that delay faultsimulation can be done of random patterns in less than 10% more time than needed for a stuck fault simulation.