2009 12th International Symposium on Design and Diagnostics of Electronic Circuits &Amp; Systems 2009
DOI: 10.1109/ddecs.2009.5012096
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A fast untestability proof for SAT-based ATPG

Abstract: Abstract-AutomaticTest Pattern Generation (ATPG) based on Boolean satisfiability (SAT) has been shown to be a beneficial complement to traditional ATPG techniques. Boolean solvers work on instances given in Conjunctive Normal Form (CNF). The required transformation of the ATPG problem into CNF is one main part of SAT-based ATPG and needs a significant portion of the overall run time. Solving the SAT instance is the other main part. Here, the time needed is often negligible -especially for untestable faults Thi… Show more

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Cited by 12 publications
(9 citation statements)
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“…In [19] a preprocessing method for accelerating SAT-based ATPGs by eliminating untestable faults is presented. The method takes into account the stuck-at fault model and it addresses only easy-to-classify untestable faults.…”
Section: Related Workmentioning
confidence: 99%
“…In [19] a preprocessing method for accelerating SAT-based ATPGs by eliminating untestable faults is presented. The method takes into account the stuck-at fault model and it addresses only easy-to-classify untestable faults.…”
Section: Related Workmentioning
confidence: 99%
“…Like what we have previously discussed about test pattern generation, also for the untestability analysis problem it is true that while the stuck-at fault model could be considered when hardware defects in the FPGA device are addressed, this fault model is not accurate when SEUs in the configuration memory of an FPGA-based system have to be analysed. Works addressing the problem of demonstrating the untestability of stuck-at faults in digital circuits can be found in the literature [153,151,152,182,125], but no one specifically addresses the analysis of the testability of SEUs affecting the configuration memory of FPGA-based systems, apart from the ones presented by the author of the present dissertation in [33,36], where the analysis of the excitability of SEUs is addressed.…”
Section: Contribution Of the Thesismentioning
confidence: 99%
“…In [182] a preprocessing method for accelerating SAT-based ATPGs by eliminating untestable faults is presented. The method takes into account the stuck-at fault model and it addresses only easy-to-classify untestable faults.…”
Section: Related Work: Techniques For Fault Untestability Analysismentioning
confidence: 99%
“…untestability, can often be proven much more easily than satisfiability, i.e. testability [34]. This can be explained as follows.…”
Section: A Sat-based Atpgmentioning
confidence: 99%