针对近年来VLSI 功耗问题越来越被关注，尤其是在电池供电的便携式设备中CMOS 电路的功耗问题尤为重 要。本文对VLSI 的低功耗设计方法进行了研究，首先对VLSI 作了简介，其次分析了VLSI 的功耗来源，最后就如何实现VLSI 开关功耗的低功耗设计，着重讨论了几项技术。本文对电子行业从业人员有一定的积极意义。

In recent years, VLSI power problems have been paid more and more attention, especially the power consumption problem of CMOS circuit in battery powered portable devices. This paper studies on the low power design method of VLSI. Firstly, VLSI is introduced; then the VLSI power consumption source is analyzed; finally, several techniques to achieve low power consumption design of VLSI switch power are discussed. This paper has a certain positive significance for the electronic industry practitioners.