Comparison Of Various 32-Bit Parallel Prefix Adders
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 6
Abstract
In Very Large Scale Integration (VLSI) designs, Parallel prefix adders (PPA) have the higher delay performance. This paper investigates four varieties of PPA’s (Kogge Stone Adder (KSA), Spanning Tree Adder (STA), Brent Kung Adder (BKA) and Sparse Kogge Stone Adder (SKA) and Ladner-Fisher adder.These adders are implemented in verilog Hardware Description Language (HDL) using Xilinx Integrated software system environment (ISE) 14.3 designs Suite. These designs area unit enforced in Xilinx Virtex five Field Programmable Gate Arrays (FPGA) and all these adder’s delay, power and area are investigated and compared finally.
Authors and Affiliations
Mallapu Santhosh Kumar, K. Dhanunjaya
Keywords
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