减少全局总线运行和待机模式泄漏的方法

R. Rao, K. Agarwal, D. Sylvester, Richard B. Brown, K. Nowka, S. Nassif
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引用次数: 17

摘要

在本文中,我们提出了在全局中继器中最小化泄漏的各种设计方法。我们证明了MTCMOS方案在全局中继器中减少泄漏的适用性。然后,我们分析了两种设计方法,称为重复倾斜总线和倾斜脉冲总线。我们表明,使用这些方法可以显著降低待机泄漏功率,同时显著提高性能。我们还说明了这些提出的技术与MTCMOS方法的使用,以进一步节省泄漏功率。90nm工艺的仿真结果表明,采用MTCMOS的偏斜脉冲母线可以提高20%的性能,减少25%以上的主动模式泄漏,减少近100倍的待机模式泄漏。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Approaches to run-time and standby mode leakage reduction in global buses
In this paper, we present various design approaches to leakage minimization in global repeaters. We demonstrate the applicability of the MTCMOS scheme to global repeaters for leakage reduction. We then analyze two design approaches called Duplicated Skewed Buses and Skewed Pulsed Buses. We show that significant reduction in standby leakage power can be obtained using these approaches while providing significant improvements in performance. We also illustrate the use of these proposed techniques with the MTCMOS approach to obtain further savings in leakage power. Simulations results in a 90nm process show that skewed pulsed buses with MTCMOS can provide 20% improvement in performance with over 25% reduction in active mode leakage and nearly 100X reduction in standby mode leakage.
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