On Mon, 24 Feb 2003, Andreas Nyholm wrote:

*>Hello.
*>
*>I found out that 10k is a good value for a pull-down resistor on a PIC-input
*>but what are the limits? Is it also ok with 100k?

Input leakage is specified at 100nA (?) worst case and Vil at 0.9V so you
can use a resistor at most 0.9V/100nA Ohms ( = 9Meg). In practice do not
use anything larger than half that value (4.7Meg say), and preferrably
less.

Peter

--
http://www.piclist.com#nomail Going offline? Don't AutoReply us!
email listserv@mitvma.mit.edu with SET PICList DIGEST in the body