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DP83848K: DP83848K TXD_2 and TXD_3 NC configuration, PFBOUT Capacitor

Genius 17165 points
Part Number: DP83848K

Hi all

My customer has these questions related to the DP83848K:

They are not using the TXD_2 and TXD_3 inputs.

How should these pins be configured: NC/Open, pull-up, pull-down ?

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In the Datasheet they find a 10uF tantalum capacitor specified for the PFBOUT.

Do you have more detailed information why we specify a tantalum capacitor there ?

Can they also use a ceramic MLCC as well ?

Ceramic caps are more commonly used nowadays.

Best regards

Ue