Cadence 180nm 3-T Xor电池和8-T加法器设计综述

A. Khan, Shivendra Pandey, Jyotirmoy Pathak
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引用次数: 7

摘要

本文对现有的3-T XOR单元进行了回顾,并根据仿真结果给出了优化值(W/L),以改善现有3-T XOR单元设计中存在的阈值损耗问题,从而提高驱动能力,但对于乘法器等大型电路的驱动能力还不够,因此有进一步改进的余地。采用最佳改进版的3-T异或单元设计了全加法器电路。所有基本电路及其改进版本都已在Cadence Virtuoso中实现,用于180nm技术和1.8v源。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A review paper on 3-T Xor cells and 8-T adder design in Cadence 180nm
The paper gives a review of already existing 3-T XOR cells and provides an optimized value of (W/L) on the basis of simulation results obtained, so as to improve the threshold loss problems present in the existing designs of 3-T XOR cells thus helping improve the driving capability, however the driving capability is not sufficient for large circuits like multipliers, hence has a scope for further improvement. Using the best improved version of 3-T XOR cell a Full Adder Circuits is designed. All the basic circuits and their improved versions have been implemented in Cadence Virtuoso for 180nm technology and 1.8v sources.
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