A SURVEY PAPER ON APPLICATION DEPENDENT ADDER SYSTEM

Abstract

In high speed VLSI applications adders play important role. According to conventional studies much research is done on various parameters like speed, area, and power. Considering recent scenario optimization of all parameters is needed, this gives rise to idea of hybrid systems. Thus in this work two new hybrid carry select adders are studied involving the carry select and section carry based carry look ahead sub adders. Performance of proposed designs is studied under Verilog HDL. In this paper reconfigurable hybrid system is proposed involving three different adders delivering optimized area, power and delay individually according to user’s application.