[time-nuts] Modeling vs reality question re my TIC
Hal Murray
hmurray at megapathdsl.net
Mon Mar 10 19:20:09 UTC 2014
bob at evoria.net said:
> A range of 0.715V-2.38V is totally outside my expectations. The only way I
> can get close to these values is if the internal CHOLD in the PIC is only a
> fraction of the 120pf they say it has - say 20pf. Any thoughts would be
> appreciated.
My quick guess is a problem reading the specs.
120 pF is probably an internal cap, 20 pF seems reasonable for the cap on a
pin.
Lots of people would get unhappy if the pin cap was 120 pF.
--
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