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11th IEEE International On-Line Testing Symposium
Accumulator-Based Weighted Pattern Generation
Saint Raphael, French Riviera, France
July 06-July 08
ISBN: 0-7695-2406-0
I. Voyiatzis, Technological Educational Institute of Athens
D. Gizopoulos, University of Piraeus
A. Paschalis, University of Athens

Weighted pseudorandom BIST schemes have been efficiently utilized in order to drive down the number of vectors required to achieve complete fault coverage in Built in Self Test (BIST) applications. Sets of patterns comprising weights 0, 0.5 and 1 have been successfully utilized within the weighted pattern generation paradigm.

In this paper an accumulator-based scheme is presented, that generates set of patterns with weights 0, 0.5 and 1. Since accumulators and ALUs are commonly found in current VLSI chips, the presented scheme can be efficiently utilized to drive down the hardware of BIST pattern generation.

Citation:
I. Voyiatzis, D. Gizopoulos, A. Paschalis, "Accumulator-Based Weighted Pattern Generation," iolts, pp.215-220, 11th IEEE International On-Line Testing Symposium, 2005
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