Abstract

In this paper, a novel low-power and high-speed pulse triggered scan flip-flop is presented, in which short circuit current is controlled. Switching activity is decreased to reduce the consumed power of the scan flip-flop. Also, the total number of transistors through the path from input to the output is reduced and so the delay of the proposed scan flip-flop is decreased. Simulation results show 12% and 29% reduction in power consumption and delay of the proposed scan flip-flop, respectively. The results are given by comparison of our work with other scan flip-flops at 50% data switching activity.

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