> The only paramater I've found that points a lower/worse spec > for th LF parts, is in table 17-1 on page 186 (DS39564B). As I read it you are correct: in this aspect the LF version seems to have a lower spec than the F version. Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.