Maximization of power dissipation under random excitation for burn-in testing

  • Authors:
  • Kuo-Chan Huang;Chung Len Lee;Jwu E. Chen

  • Affiliations:
  • -;-;-

  • Venue:
  • ITC '98 Proceedings of the 1998 IEEE International Test Conference
  • Year:
  • 1998

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Abstract

This work proposes an approach to generate weightedrandom patterns which can maximally excite a circuitduring its burn-in testing. The approach is based on aprobability model and a maximization procedure to obtainsignal transition probability distribution for primary inputsand to generate weighted random patterns according to theobtained probability distribution. It can especially generateweighted random patterns to excite particularly selected"weak nodes" of the circuit in order to expose the earlyfailure of these nodes. Experimental results show that thisapproach can increase the power dissipation of the totalcircuit nodes up to 26.68% and the switching activity ofparticularly selected nodes up to 41.51% respectively.