Reducing Hardware with Fuzzy Multiple Signature Analysis

  • Authors:
  • Yuejian Wu;André Ivanov

  • Affiliations:
  • -;-

  • Venue:
  • IEEE Design & Test
  • Year:
  • 1995

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Abstract

This paper proposes a novel multiple signature analysis approach called Fuzzy Multiple Signature (FMS) analysis. Conventionally, for a circuit to be declared good, each signature from the circuit under test (CUT) must correspond to a specific reference, which makes multiple signature analysis complex and silicon-inefficient. In the FMS scheme the aforementioned one-to-one correspondence is not required. For a CUT to be declared good in this scheme, it suffices that each signature correspond to any element from a reference set. This paper includes an aliasing model, an implementation description and experimental results on fault coverage enhancement and fault simulation time savings.