Design an Efficient Fault Tolerant Kogge Stone Adder

Abstract

Adder is one of the basic arithmetic operation. Currently implementing a high speed VLSI style could be an important topic and as adders are utilized in various fields of applications, coming up with a high speed adder is one among the necessary facets. To increase the speed in DSP processor Parallel prefix adder is used. In this paper we designed and enforced a high speed Kogge Stone parallel prefix adder. KSA is a parallel prefix adder and it is the form of carry look ahead adder. This is the fastest adder and it is used the industry for high performance arithmetic circuits. In KSA, carries are computed fast by computing them in parallel at the cost of increased area. We simulate and synthesis kogge stone adder by using Xilinx ISE tool.