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In this paper, the optimization of power-delay-product (PDP) of a high-speed flip-flop via transistor sizing is presented. The optimization is performed using the genetic algorithm (GA). The flip-flop which is used in this optimization is called modified hybrid latch flip-flop (MHLFF). The genetic algorithm is implemented in MATLAB with the fitness function expressed in terms of the power and the...
In this paper, a double-edge triggered level converter flip-flop (DE-LCFFF) is proposed. The flip-flop makes use of the conditional discharging technique which effectively suppress the dynamic power consumption during transition time and the self-precharging technique to automatically precharge its dynamic node after enough time. An explicit double-edge pulse generator is used to further decrease...
In this paper, we propose a new and low-power architecture for synchronous ring counters which can noticeably reduce the switching activity of the conventional ring counters. To achieve the goal we partition the ring counter into some blocks for each of which we use a special clock gator. The Hot block (the block in which the '1' exists) is the only block the flip-flops of which are clocked. The delay...
In this paper, a low power low leakage flip-flop called clock gated static pulsed flip-flop (CGSPFF) is proposed. The dynamic power consumption in CGSPFF is reduced by avoiding unnecessary input pulse transitions with clock gating. Two transistors in the main block of the flip-flop are eliminated to achieve low leakage power as well. Using the new clock pulse generator leads to a higher operational...
In this paper, a new flip-flop called double-edge triggered feedback flip-flop (DFFF) is proposed. The dynamic power consumption of DFFF is reduced by avoiding unnecessary internal node transition. The subthreshold current in the flip-flops is very low compared to other structures. Reducing the number of transistor in the stack and increasing the number of charge path leads to higher operational speed...
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