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SN74AXC4T774: Termination resistor

Rongpeng Zhai
Prodigy 230 points
Part Number: SN74AXC4T774

Hi,

I have a question about the termination resistor of this device SN74AXC4T774.

My setup is : FPGA to SN74AXC4T774.

Direction: Bi-direction

Bandwidth: 50-100MHz

My question: Is it necessary to add a 33R termination resistor on the I/O of FPGA? (for reflection, signal integrity?)

Is it also necessary to add a 33R termination resistor on the I/O of level translator (FGPA side)?

Thanks for you quick reply