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IEICE TRANSACTIONS on Information

A Design Method of SFS and SCD Combinational Circuits

Shin'ichi HATAKENAKA, Takashi NANYA

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Summary :

Strongly Fault-Secure (SFS) circuits are known to achieve the TSC goal of producing a non-codeword as the first erroneous output due to a fault. Strongly Code-Disjoint (SCD) circuits always map non-codeword inputs to non-codeword outputs even in the presence of faults so long as the faults are undetectable. This paper presents a new generalized design method for the SFS and SCD realization of combinational circuits. The proposed design is simple, and always gives an SFS and SCD combinational circuit which implements any given logic function. The resulting SFS/SCD circuits can be connected in cascade with each other to construct a larger SFS/SCD circuit if each interface is fully exercised.

Publication
IEICE TRANSACTIONS on Information Vol.E75-D No.6 pp.819-823
Publication Date
1992/11/25
Publicized
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DOI
Type of Manuscript
Special Section PAPER (Special Issue on Pacific Rim International Symposium on Fault Tolerant Systems)
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