Hi all, Follow a simple question but I don't get the answer in datasheets. When pic plastic package has the code "PIC16F873A I/SP" with the max speed hided, what's your maximum speed!? I known that PIC16F873A-04 is 4 Mhz and PIC16F873A-20 is 20MHz but do= n't known what's the maximum crystal to be used with PIC16F873A I/SP. Thanks all in advance, Eduardo Garcia =09 =09 =09 _______________________________________________________=20 Yahoo! Acesso Gr=E1tis - Internet r=E1pida e gr=E1tis.=20 Instale o discador agora! http://br.acesso.yahoo.com/ --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist