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<p><b>Abstract</b>—Rao et al. proposed a totally self-checking (TSC) 2-output checker for Berger codes with <tmath>\big. I=2^{r-1}\bigr.</tmath> information bits. These comments show that their checker may not be self-testing, as claimed. Hence, the circuit proposed by us is the first correct solution of this design problem.</p>
Berger code, self-testing checker, totally self-checking circuit, TSC Berger code checker, two-rail code.
Stanislaw J. Piestrak, "Comments on 'Novel Totally Self-Checking Berger Checker Designs Based on Generalized Berger Code Partitioning'", IEEE Transactions on Computers, vol. 51, no. , pp. 735-736, June 2002, doi:10.1109/TC.2002.1009156
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