16 bit dual threshold voltage conditional carry adder.

Abstract

So many different circuits and different schemes are applied to make circuit faster and less power consumptive. In this thesis, 16-bit dual threshold voltage conditional carry adder, with two proposed modification for improved performance, is presented. In this dual threshold Voltage concept, components in critical paths use low threshold voltage, to increase the operation speed. Other components use the normal threshold voltage to save power. In the last part of this thesis, pipelined architecture of conditional carry adder circuit is presented. It provides very high frequency of operation as compared to simple architecture. It can be operated on 1.6 GHz.