Single Output Distributed Two-Rail Checker with Diagnosing Capabilities for Bus Based Self-Checking Architectures |
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Authors: | Michele Favalli Cecilia Metra |
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Affiliation: | (1) DI, University of Ferrara, Viale Saragat, 1-44100 Ferrara, Italy;(2) DEIS, University of Bologna, Viale Risorgimento, 2-40136 Bologna, Italy |
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Abstract: | This paper proposes a distributed two-rail checker architecture which is specifically targeted to self-checking bus-based systems. The architecture makes use of a single bus line to provide error indication. With respect to conventional two-rail checkers additional diagnosing capabilities are provided. The checker is totally-self-checking with respect to stuck-at faults. It features also good self-testing properties with respect to parametric faults, such as bridgings and delay faults. |
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Keywords: | on-line testing two-rail checker bus based systems |
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