International Journal of Innovative Research in                 Electrical, Electronics, Instrumentation and Control Engineering

A monthly Peer-reviewed & Refereed journal

ISSN Online 2321-2004
ISSN Print 2321-5526

Since  2013

Abstract: The scientific literature, which suggests numerous circuits built with approximate 4-2 compressors, has a lot of interest in approximation multipliers. The designer who desires to employ an approximation 4-2 compressor faces the difficulty of selecting the suitable topology due to the enormous variety of available alternatives. This paper compares approximate 4-2 compressors already proposed in the literature in this work. We also introduce a fresh approximate compressor, bringing the total number of approximate 4-2 compressors studied to twelve. The circuits under investigation are used to create 8x8 and 16x16 multipliers in 28nm CMOS technology.

Keywords: Multiplier, 4:2 Compressor, Half adder, full Adder.

PDF | DOI: 10.17148/IJIREEICE.2022.10418

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