Hi source library?

 Hi everyone,

I know this question sound silly. But I'm a new user of pspice. Therefore I have a problem in finding one of the part that I needed. In which library can I found the High source? I don't know if i can call it high source because I dont really know the exact name. The model looks like digital source model but with 'HI' in it. I want to use it to make my set and reset at d-ff always 1.

Thanks in advance.