Using the Charge Recycling Technique for Low Power PLA Design

This paper presents a new low-power charge-recycling dynamic programmable logic array (PLA). The charge recycling PLA reduces the power consumption in product lines by recycling the previously used charge. The proposed dynamic PLA, product lines swing voltage is lowered by the charge recycling circuit between on adjacent product lines. Power consumption in product lines can be reduced theoretically to half by the proposed charge-recycling techniques. The simulation results show that the proposed scheme reduces delay by 38.7%, power by 17.4% and total power delay product (PDP) by 49.4% compared to the conventional PLA in a 0.35 mu m CMOS process technology.