In a message dated 08/28/2002 20:25:56 Eastern Daylight Time, david@AUDIOVISUALDEVICES.COM.AU writes: > Hi Sid, > It's not the power consumption as such, but the whole chip can oscillate and > behave badly when you let inputs float. It's just like leaving unused > inputs on > CMOS gates floating - just asking for trouble. They (CMOS) have a habit of > latching up, heating up and dying. The increased power consumption is just a > symptom of the problem and should not be ignored. > Regards... > For David When I said I ignore them, what I really meant was to set them as outputs then forget about them. In a finished PC you you will probably never need them, but it is nice to have an uncluttered pin available "just in case". There have been times in the past when a wire jumper and a small program change saved a complete circuit. Ever been to Cook? Cheers Sid -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu