A new framework for generating optimal March tests for memory arrays

  • Authors:
  • Kamran Zarrineh;Shambhu J. Upadhyaya;Sreejit Chakravarty

  • Affiliations:
  • -;-;-

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

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Abstract

Given a set of memory array faults the problem ofcomputing an optimal march test that detects all specified memory array faults is addressed. In this paper, wepropose a novel approach in which every memory arrayfault is modeled by a set of primitive memory faults. Aprimitive march test is defined foreach primitive memory fault. We show that march tests that detect the specified memory array faults are composed of primitive marchtests. A method tocompute the optimal march tests forthe specified memory array faults is described. A set ofexamples to illustrate the approach is presented.