Differential pass-transistor clocked flipflop

A new differential pass-transistor clocked (DPTC) flipflop for low power application is presented. This design prevents speed degradation and redundant power consumption by cutting the low-impedance path of the struggling slave latch in the conventional pass-transistor clocked flipflop. Simulation results show that it reduces the power-delay product by 30% and the delay mismatch between two differential outputs to <2%.