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DS100MB203: multiplex gen2 lane using Sin/out A0/B0 and Din/Dout 0 ports

David Sandler
Intellectual 1910 points
Part Number: DS100MB203


Hi,

I have an application question regarding the DS100MB203, dual port mux IC http://www.ti.com/product/DS100MB203.

I’m using the DS100MB203 to multiplex one PCIe gen2 lane using the Sin/Sout A0/B0, and Din/Dout 0 ports of the part.  I do not intend to use the second available lane mux comprised of ports A1/B1 and Din/Dout 1. What is the proper way to terminate these ports since they will be unused? Should they be left floating, or pulled up/down?

 

Thank you in advance for any insight.

Regards,

David