> The absolute maximal rating is +/-20ma. But note what 'absolute maxima' means: the chip is guaranteed to survive, but not guaranteed to work 'normally' while you exceed the 'operation parameters'. IIRC there is no current through the protection diodes specifies in the 'operation parameters'. Wouter van Ooijen -- Van Ooijen Technische Informatica: http://www.voti.nl Jal compiler, Wisp programmer, WLoader bootloader, PICs kopen -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu