Abstract
In this paper, different 4-2 compressors are designed by using various logic styles and their performances are compared. Different 4-2 compressors are designed and simulated by using the Cadence Virtuoso tool in 180nm CMOS technology and the performance parameters of these are studied in terms of maximum output delay, average power consumption and power-delay-product (PDP) with a variation of supply voltage ranging from 1.2V to 3.0V. Simulation results depict that the performance of a compressor depends on the performance of Exclusive-OR-Exclusive-NOR (XOR-XNOR) module and Multiplexer (MUX), and performance varies as per the logic styles used to implement these blocks.
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