Random-pattern coverage enhancement and diagnosis for LSSD logic self-test

  • Authors:
  • E. B. Eichelberger;E. Lindbloom

  • Affiliations:
  • IBM Data Systems Division, Kingston, New York;IBM Data Systems Division, Kingston, New York

  • Venue:
  • IBM Journal of Research and Development
  • Year:
  • 1983

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Abstract

Embedded linear feedback shift registers can be used for logic component self-test. The issue of test coverage is addressed by circuit modification, where necessary, of random-pattern-resistant fault nodes. Also given is a procedure that supports net-level diagnosis for structured logic in the presence of random test-pattern generation and signature analysis.