Len wrote: >Oscillation is not a problem if you simply make them outputs and connect >them to nothing. I've been doing it for years. That's right. The oscillation or such occurs when the pin floats (when input). It can be biased into its linear region, which makes it draw excessive current and generally becoming unhappy. (This is what I said the first time isn't it?) OK, I think we have this clear for the OP now! Time to get back to work. :-) > > 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. ___________________________________________ David Duffy Audio Visual Devices P/L U8, 9-11 Trade St, Cleveland 4163 Australia Ph: +61 7 38210362 Fax: +61 7 38210281 New Web: www.audiovisualdevices.com.au ___________________________________________ -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body