采用绝热scl逻辑的低功率乘法器设计

Keval Kamdar, A. Acharya, Poonam Kadam
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引用次数: 6

摘要

随着集成规模的不断扩大,越来越多的信号处理应用需要在超大规模集成芯片上实现。这些应用需要巨大的计算能力和大量的能量。本文的目标是为超大规模集成的乘法器设计提供有前途的低功耗解决方案。重点是降低功耗,随着技术的缩小,功耗也在不断增长。本文主要介绍了使用Radix-4改进的booth算法的低功耗乘法器设计,该算法使用分裂电荷恢复逻辑。在标准的互补金属氧化物半导体电路中,在输出电平的每次变换后都丢弃比特。其结果是,能量变成了热量,这反过来又增加了消除热量所需的开销,从而导致电池寿命问题。采用分电荷恢复逻辑电路的改进booth算法为解决这一问题提供了一种有效的方法。利用分裂电荷恢复逻辑,利用改进的booth算法设计了一个低功耗倍增器。在未来,各种不同的电路可以实现使用绝热低功耗设计。
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Low power multiplier design using adiabatic SCRL logic
Since, the scale of the integration keeps on growing more and more signal processing applications need to be implemented on the Very Large Scale Integrated chip. These applications demand great computational capacity along with a considerable amount of energy. The objective of this paper is to provide promising low power solution for multiplier design for Very Large Scale Integration. The focus is on the reduction of power dissipation which is showing an ever-increasing growth with the scaling down of the techniques. The paper primarily throws light on low power multiplier design using Radix-4 modified booth's algorithm using Split Charge Recovery Logic. In standard Complementary Metal Oxide Semiconductor Circuits, bits are discarded after every transformation in the output level. As a result of which, the energy becomes heat, which in turn increases overhead needed to get rid of heat causing battery life problem. Modified booth's algorithm using Split Charge Recovery Logic circuit offers an efficient way to get out of this problem. A low power Multiplier is designed using modified booth's algorithm using Split Charge Recovery Logic. In the future, various different circuits can be implemented using adiabatic low power design.
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