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TS3DV642: TS3DV642 Unused Pins

Bob Armbruster
Intellectual 1120 points

Part Number: TS3DV642

For unused pins like CEC, CEC_A, CEC_B, D2+/-, D3+/-, should I leave these floating or terminated with a resistor to GND?  Is there an app note to describe this?

  • 0
    TI__Guru**** 187631 points

    Hi,

    We recommend that all the unused I/O pins like the CEC are terminated with 50 ohms to ground to prevent reflections in the signal path.  If you application isn't very sensitive or low speed you may leave the I/O pins floating if reflections will not be an issue.

    Thanks

    David