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Vivado set_input_delay xdc constraints

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wtr

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Hello all,

What is the point of "set_input_delay"?
Does it actually have an affect on place and route?
Is it only for modelling?

Thanks in advance,
Wes
 

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.
 

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