Concurrent MIN-MAX simulation

  • Authors:
  • Ernst Ulrich;Karen Panetta Lentz;Stephen Demba;Rahul Razdan

  • Affiliations:
  • Digital Equipment Corporation, Hudson, Mass;Digital Equipment Corporation, Hudson, Mass;Digital Equipment Corporation, Hudson, Mass;Digital Equipment Corporation, Hudson, Mass

  • Venue:
  • EURO-DAC '91 Proceedings of the conference on European design automation
  • Year:
  • 1991

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Abstract

Parametric process variations, which are inherent in the manufacture of complex digital circuits, can cause variations in the timing characteristics of a digital device. These device timing variations can cause catastrophic failures to the intended logical operation of the whole design. Min-Max Timing Simulation is a simulation technique which is well suited to verify that a given design functions correctly, even under the influence of parametric process variations. Unfortunately, in the past, Min-Max Timing Simulation has been very expensive in simulation CPU time and in the amount of memory consumed. We present a technique, Concurrent Min-Max Simulation(CMMS), which employs the techniques developed in Concurrent Fault Simulation, to elegantly solve the Min-Max Timing simulation problem.