首先对集成电路的功耗来源进行简要的分析 .在此基础上 ,按照不同的设计层次 ,分别介绍了系统层、寄存器传输层、版图层的各种主要的低功耗设计技术 ,重点分析了不同技术的基本思路和进一步发展的方向 .最后 ,从整体设计流程的角度介绍了前馈型的设计方法 ,进一步指出高层设计层次中的低功耗设计方法和技术在未来数字系统功耗设计中的重要性 First of all, a brief analysis of the source of power consumption of integrated circuits is made. Based on this, various major low-power design techniques of system layer, register transfer layer and layout layer are introduced according to different design levels, The basic ideas of different technologies and the direction of further development.Finally, the design method of feedforward type is introduced from the perspective of the overall design process, and further points out that the low-power design methods and technologies in the high-level design hierarchy are likely to be used in the design of future digital system power consumption The importance of