>but would expect this point not too far from 1MHz. Do you recall old computers having PCI bus? Bus length on motherboards was at least few inches and bus ran at 33MHz. Indeed PCB trace impedance shall be matched and routing shall not be messed-up either, but please don't tell that 8*3pF is big problem at 1MHz, even at trace length that exceeds few cm - for output that is able to drive 20pF at 16MHz
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