Abstract
We present a new timing error correction scheme which allows each pipeline stage to halt for one cycle only. The small timing penalty for the error correction operation in the proposed scheme makes it possible to eliminate the extra timing guardband that was needed to accommodate timing uncertainty due to process variations. As a result, lower supply voltage can be used with the proposed scheme for low power operations. Compared to the previous 1-cycle error correction scheme which uses two-phase transparent latch based pipeline [1], the proposed scheme can be applied to the pipeline based on more popular clocking elements such as flip-flop or pulsed latch.
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