Searching the Best Polarity for Low Power Dissipation Based on XNOR/OR Logic

WANG Peng-jun; LU Jin-gang

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Searching the Best Polarity for Low Power Dissipation Based on XNOR/OR Logic

更新时间：2025-07-16

- Searching the Best Polarity for Low Power Dissipation Based on XNOR/OR Logic
- Acta Electronica Sinica Vol. 36, Issue 5, Pages: 993-997(2008)
- 作者机构：
  
  1. 宁波大学电路与系统研究所,浙江,宁波,315211
  2. 复旦大学专用集成电路与系统国家重点实验室,上海,201203
  3. 宁波大学电路与系统研究所浙江宁波,315211
  4. 复旦大学专用集成电路与系统国家重点实验室上海,201203
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN41
- Published：2008
- 稿件说明：
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WANG Peng-jun, LU Jin-gang. Searching the Best Polarity for Low Power Dissipation Based on XNOR/OR Logic[J]. Acta Electronica Sinica, 2008, 36(5): 993-997.
DOI：

WANG Peng-jun, LU Jin-gang. Searching the Best Polarity for Low Power Dissipation Based on XNOR/OR Logic[J]. Acta Electronica Sinica, 2008, 36(5): 993-997. DOI：

摘要

本文通过对XNOR/OR逻辑表达式、信号概率传递算法和极性转换算法的研究

提出了一种基于XNOR/OR逻辑的低功耗最佳极性搜索算法.由于算法所用的成本函数包含功耗和面积两方面因素

因此能实现功耗和面积的同时优化.通过对10个MCNC Benchmark电路的测试表明

算法对最佳极性的搜索相当有效:与极性0时的XNOR/OR电路相比

算法搜索到的最佳极性所对应的电路

功耗和面积平均节省分别达到68.4％和34.2％.

Abstract

A new algorithm based on XNOR/OR logic for searching the best polarity for low power dissipation has been proposed

by investigating the XNOR/OR logical expression

the propagation algorithm of signal probability and the polarity conversion algorithm.Since the cost function in this algorithm includes the power and the area

both of the power and the area can be optimized simultaneously.The results of testing ten circuits from MCNC Benchmark show that this algorithm is very effective to search the best polarity:the XNOR/OR circuits under the polarity searched by this algorithm have achieved average power-saving and area-saving

68.4% and 34.2%

respectively

compared with those circuits under polarity 0.

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