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Altera_Forum
Honored Contributor
18 years agoRis/fall time?
Hello, I am developing a simple test board for a cyclone FPGA (EP2C8T144). It is my very first FPGA project, and I want to build my own FPGA board. Now, my question is: Which rise and fall...
Altera_Forum
Honored Contributor
18 years agoI suggest you to avoid connecting the FPGA output pins to input pins of the device that you are driving. Put a small series resistor (22ohm or 33ohm) in every track and you will avoid this kind of reflection problems independently of the track length.