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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.
Built-in self-test, BIST compaction, signature analysis, multiple signature analysis

Y. Wu and A. Ivanov, "Reducing Hardware with Fuzzy Multiple Signature Analysis," in IEEE Design & Test of Computers, vol. 12, no. , pp. 68-74, 1995.
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