IC领域的时序图作图软件，简单方便，英文版，无需注册，已经破解,IC timing diagram mapping the field of software, simple English, are not required to register, has been cracked

非常简单易用的画时序图工具，用于时序设计、流程分析很实用-Very easy to use timing diagram drawing tool for timing design, flow analysis is very useful