Optimal Final Carry Propagate Adder Design for Parallel Multipliers

Topic: Hardware
Format: PDF
Based on the ASIC layout level simulation of 7 types of adder structures each of four different sizes, i.e. a total of 28 adders, the authors propose expressions for the width of each of the three regions of the final Carry Propagate Adder (CPA) to be used in parallel multipliers. They also propose the types of adders to be used in each region that would lead to the optimal performance of the hybrid final adders in parallel multipliers. This paper evaluates the complete performance of the analyzed designs in terms of delay, area, power through custom design and layout in 0.18 um CMOS process technology.

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