Achieving Fault Secureness in Parity Prediction Arithmetic Operators: General Conditions and Implementations M. NlCOLAlDlS Reliable Integrated Systems Group,TIMA France
Salvador Manich, Joan Figueras · 1996
Parity prediction arithmetic operator schemes have the advantage to b compatible with data paths and the basic drawback of these schemes is that they may not be fault secure for single faults, since they propagate to multiple output errors that are undetectable by the parity code. In this paper we derive necessary and sufficient conditions for parity prediction arithmetic operators to achieve the fault secure property. From these conditions, various fault secure designs for arithmetic operators are reported.