How to compensate the parasitic input impedance?

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EDA_hg81

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The parasitic impedance of input driving clock could be several nanofarads.

How can I compensate this several nanofarads and make input driving clock sharp?

The input voltage could be 12V.

Thanks.
 

You cannot really "cancel" the input capacitance, you just need a stronger buffer that can actually drive that load.
 

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