I should have said obsolescent rather than obsolete - not recommended for new designs. I find the Microchip selection tools to be less than helpful. What I want to know, and what they don't tell you, is the natural upgrade path from an old part - a chip which is backward compatible but which offers desirable new features. That is the sort of thing you learn by experience which is why I am asking in this forum > > Since that chip is obsolete... > > It's not. Microchip says "In Production". > > But if you'd like to change anyway, I would think that the > information and selection tools available at Microchip > would be a more natural way then Google. > > > --=20 __________________________________________ David C Brown 43 Bings Road Whaley Bridge High Peak Phone: 01663 733236 Derbyshire eMail: dcb.home@gmail.com SK23 7ND web: www.bings-knowle.co.uk/dcb --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .