【摘要】 计算机技术和微电子工业的发展使电子系统的复杂度越来越高。在电子设计领域，产生了高层次的电子设计方法－ＥＤＡ技术。本文简要介绍了ＥＤＡ技术的发展过程，阐述了ＥＤＡ技术在两个不同层次上的工作流程，即系统设计和电路设计，引入一种自上而下的高层次电子设计方法。更多还原

【Abstract】 With the development of computer technology and microelectronic industry, electronic system became more complex. In the field of electronic design, EDA technology, an advanced electronic design method, emerged. In the paper, the development of EDA technology is described. The work flows of system design and circuit design, the different layers of EDA technology are also discussed, and a new Top-Down design method will be provided.更多还原