Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
set_input_delay can be used to help with the skew created between two signals on traces on a PCB, or any other things that might have an effect externally. It allows the fitter to set the value in the IO delay blocks at the pins.