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Comparative Study of Different Variable Truncated Multipliers

Athira Prasad, Robin Abraham

Multipliers play a significant part in the DSP architecture. Truncation helps in the reduction of power consumption by disabling a portion of the partial product. In this paper different multipliers are made to truncate the partial products variably using a control bit and then compared for power and delay. The comparison results show that the Dadda multipliershows a small improvement in power and Baugh Wooley multiplier is better in terms of delay