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LMK01010: Unused port & NC pins

Hideaki Katsu
Prodigy 10 points
Part Number: LMK01010
Other Parts Discussed in Thread: LMK01000EVAL

Tool/software:

Hi 

I design new circuit with LMK01010.

How should I terminate unused port at LMK01010?  Out port should be teminated with 100 Ohm ?

And I checked the evaluation board. In this circuit, NC pin is conncected to small circuit. What's that?

  • 0
    TI__Expert 4340 points

    Hello Hideaki-san,

    The unused ports of the LMK01010 should be left open in order to reduce overall power consumption. 

    The small circuits that are connected to the NC pins were parts of different evaluation boards that shared the same footprint as the LMK01010. They are mostly unpopulated on the LMK01000EVAL. 

    Thanks,

    Michael