Fast Bridging Fault Diagnosis using Logic Information

Rousset, A.; Bosio, A.; Girard, P.; Landrault, C.; Pravossoudovitch, S.; Virazel, A.

doi:10.1109/ats.2007.4387979

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2009

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“…Hence, diagnosis results can sometimes be unreliable with such methods. In [10], we proposed an approach based on the Effect-Cause paradigm able to deal with several bridging fault models at a time but. However, the diagnosis resolution can be not accurate enough when the bridging fault behaves as a multiple fault (e.g.…”

Section: Introductionmentioning

confidence: 99%

Comprehensive bridging fault diagnosis based on the SLAT paradigm

Benabboud

Bosio

Dilillo

et al. 2009

2009 12th International Symposium on Design and Diagnostics of Electronic Circuits &Amp; Systems

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This paper presents a logic diagnosis approach targeting bridging faults. The proposed approach is performed in two phases, (i) a fault localization phase based on the SingleLocation-at-A-Time (SLAT) paradigm determining a set of suspects, and (ii) a fault model allocation phase associating a set of fault models to each suspect identified during the first phase. The main advantages of this approach are that the fault localization phase is fault model independent, and that the fault model allocation phase is able to deal at the same time with several bridging fault models leading to either static or dynamic faulty behaviors. Experimental results on full scan circuits show the diagnosis accuracy of the proposed approach in terms of absolute number of suspects. Moreover, a comparison with an industrial reference tool highlights the reliability of our approach.

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Section: Introductionmentioning

confidence: 99%