电子技术的发展使电子产品的性能不断提高,其复杂程度亦不断加大.今天的电子产品设计人员不得不面临越来越严峻的挑战——加快产品运行速度,缩小产品体积,降低产品功耗,提高产品性能,当然,这也是日益激烈的竞争的需要. The development of electronic technology has continuously improved the performance of electronic products, and its complexity has also increased. Today’s electronic product designers have to face more and more severe challenges - to speed up the product speed, reduce product size, reduce product power consumption , To improve product performance, of course, this is also the need for increasingly fierce competition.