A low-cost susceptibility analysis methodology to selectively harden logic circuits

2016 
Selecting the ideal trade-off between reliability and cost associated with a fault tolerant architecture generally involves an extensive design space exploration. Employing state-of-the-art susceptibility estimation methods makes it unscalable with design complexity. In this paper we introduce a low-cost susceptibility analysis methodology that helps identifying the most vulnerable circuit elements for hardening with less computational effort and orders of magnitude faster. Our experimental results show that the methodology offers huge gain in terms of computational effort (2,500× faster) in comparison with a fault-injection based method and produces results within acceptable degree of accuracy.
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