Abstract

This paper presents a high-performance, low-cost, and double node upset (DNU) tolerant latch design. The latch mainly constructs from a 3-input Muller C-element at the output stage and a single node upset resilient cell for keeping data, and the cell mainly consists of triple mutual feedback 2-input Muller C-elements, thus the latch is DNU tolerant. Using fewer CMOS transistors, clock gating technique, and high-speed transmission path, the latch also performs with lower cost penalties. Simulation results have demonstrated the DNU tolerability and a ∼97.78% area-power-delay product saving for the latch design on average compared with the DNU tolerant latch designs.

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