Tom=E1s =D3 h=C9ilidhe wrote: > When I heard the term "push-pull driver", my first thought was that it > was a driver that would provide a path to either Vcc or Ground > depending on whether the input was high or low. Yes. Most PIC outputs are "push-pull", sometimes called "totem pole". Technically "push-pull" means something a bit different, but the term is often used anyway to describe digital outputs that can drive both low and high. ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist