Since it has somekind of analogue switching input, I would rather make
it a 4093 (Quad NAND with schmidt trigger).
OTOH, I am sure the function of the logic circuit can be done in
software in the PIC. Just limit your input voltage level.
--
Quentin
qsc@iptech.co.za
www.iptech.co.za

--
http://www.piclist.com hint: To leave the PICList
mailto:piclist-unsubscribe-request@mitvma.mit.edu