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13th IEEE VLSI Test Symposium (VTS'95)
Reliability evaluation of combinational logic circuits by symbolic simulation
Princeton, New Jersey
April 30-May 03
ISBN: 0-8186-7000-2
A. Bogliolo, DEIS, Bologna Univ., Italy
M. Damiani, DEIS, Bologna Univ., Italy
P. Olivo, DEIS, Bologna Univ., Italy
B. Ricco, DEIS, Bologna Univ., Italy
Abstract: This paper presents new algorithms for evaluating the reliability of fault-tolerant combinational logic circuits. In order to model the effects of multiple faults on circuit functionality, we use fault indicators as control variables. We use BDD-based symbolic simulation to avoid the explicit enumeration of faults. We present experimental results on fault-tolerant implementations of several mcnc benchmark circuits. They show that undetectable multiple faults have a large impact on the reliability of fault-tolerant circuits.
Index Terms:
integrated circuit reliability; combinational circuits; circuit analysis computing; digital simulation; logic CAD; VLSI; reliability evaluation; VLSI; mcnc benchmark circuits; fault-tolerant combinational logic circuits; circuit functionality; fault indicators; control variables; BDD-based symbolic simulation; undetectable multiple faults
Citation:
A. Bogliolo, M. Damiani, P. Olivo, B. Ricco, "Reliability evaluation of combinational logic circuits by symbolic simulation," vts, pp.0235, 13th IEEE VLSI Test Symposium (VTS'95), 1995
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