这个是在UNIX下，运用在集成电路设计中重要的两个步骤ＤＡ和ＤＣ．这个里面十分详细的介绍这两个软件，设计到ＵＮＩＸ的语言和Verilog HDL语言.-This is in UNIX, the use in integrated circuit design in two important steps to DA and DC. The inside is very detailed introduction of these two software, the design-to-UNIX language and Verilog HDL language.