13.3 Stuck-At Tuple-Detection: A Fault Model Based on Stuck-At Faults for Improved Defect Coverage

  • Authors:
  • I. Pomeranz;S. M. Reddy

  • Affiliations:
  • -;-

  • Venue:
  • VTS '98 Proceedings of the 16th IEEE VLSI Test Symposium
  • Year:
  • 1998

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Abstract

N-detection stuck-at test sets were shown to be effective in achieving high defect coverages for benchmark circuits. However, the definition of n-detection test sets allows the same set of faults to be detected by several different tests, thus potentially detecting the same defects. We propose an extension of the n- detection model that alleviates this problem by considering m- tuples of faults and requiring that different tests would detect different m-tuples. We present experimental results to support this model.