Abstract
Proposes a new BIST multiple intermediate signature analysis scheme which checks n signatures against a single reference. Therefore, the circuitry for checking n signatures is essentially the same as that for checking one signature. The scheme is based on a manipulation of the CUT's fault-free output sequence. No circuit modification is required. The cost for implementing the scheme is a small nonrecurring CPU time expenditure in the design phase. In return, the scheme yields significant recurring silicon area savings, and reduced aliasing. >
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