Abstract
This paper deals with the proposed adaptable threshold keeper&dynamic buffer technique(ATKDB) for CNTFET based wide fan in domino OR logic which simultaneously reduces the average power and propagation delay of the wide fan in logic implementationcompared to various dominogatetopologies.The proposed technique provides adaptable threshold voltage for the keeper transistor by means of a designed body bias generator which drives thebulk of the keeper and there by regulates the power. The design also includes a dynamic buffer at the output node to reduce pre-charge phase power consumption. With this technique, threshold voltage for keeper device is varied dynamically to reduce the contention current and clock loading. The proposed system was tested for 16 and 32 input domino gate using 16nm CNTFET model andthesatisfactoryresults w.r.t power and delay wereobtained.
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