Dear all, I'm a little bit confused about the usage of IBUFGDS and IBUFDS. In my design (on a XC2V8000 fpga) I have to acquire LVDS input data using a LVDS clock which comes from an external board. It is not really clear to me which is the best between these 2 options
1) use IBUFGDS on clock and then drive a BUFGMUX
2) use IBUFDS on clock and then drive a BUFGMUX
Data input goes to IBUFDS. In both cases the output of BUFGMUX is a global line, so I don't understand which is the best option and the differences between IBUFGDS and IBUFDS.
Any advice about that ?
Thanks in advance.