Hello sir, Pls could you help me with the following: 1. I do not know if its possible with Alliance, but I would like to implement a Tri-State Buffer. For example, I have the following truth-table: en input Output ------------------------------ 0 0 Z 0 1 Z 1 0 1 1 1 1 My question is about the 'Z' output. How do I write the VHDL code to implement the 'Z' output. --------------------------------- Do You Yahoo!? Yahoo! Auctions Great stuff seeking new owners! Bid now!