Performance analysis of 16 bit by16 bit mac design

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Reference no: EM1378244


Performance Analysis of 16 Bit by16 Bit MAC design using 5:3 Compressors


3:2 counters and 4:2 compressors have been widely used for multiplier implementations. In this project, a fast 5:3 compressor is derived for high-speed multiplier implementations. The fast 5:3 compression is obtained by applying two rows of fast 2-bit adder cells to 5 rows in a partial product matrix. As a design example, a 16-bit by 16-bit MAC (Multiply and Accumulate) design is investigated both in a purely logical gate implementation and in a highly customized design.

For the partial product reduction, the use of the new 5:3 compression leads to 14.3% speed improvement in terms of XOR gate delay. In a dynamic CMOS circuit implementation using 0.225µm bulk CMOS technology, 11.7% speed improvement is observed with 8.1% less power consumption for the reduction tree.

Keywords: 3:2 counter, 4:2 compressor, 5:3 compressor, 5:2 compressor, multiplier, MAC

Reference no: EM1378244

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