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TUSB7320 PCIe2.0 differential signal PCB impedance trace requirement

Sachin Kurawatti
Prodigy 130 points
Other Parts Discussed in Thread: TUSB7320

Hi,

Please can you help me to get proper info for PCIe2.0 differential signal PCB impedance trace requirement ?

As per sllu146_EVM User's Guide it is 100ohm but as per PCI Express 2.0 channel impedance required is 85ohm.

Please correct me if my understanding is not correct.

Please can you suggest, Is it 100Ohm impedance differential signal pcb trace or 85Ohm?

Regards,
Sachin.M.Kurawatti