synthesis lib？

我想问一下，synopsys dc所用的综合库 和 primetime 所用是不是同一个库！还有
比如.25um的库 到去找? 听老师说要到 foundry 去签协议。
请大家帮一下，谢谢！我的emailfangxin8742119@163.com

of course
of course the sane library.
otherwise the result of DC would be different from PT.
no way to timing closure