I think you covered the lot-of-them. My fading memory held there were two with oscillators but it looks like I have some data corruption :) D On 4 April 2017 at 06:36, Isaac M. Bavaresco wrote: > ..... > The 4020, 4024 and 4040 don't have the oscillator and offer from 7 to 14 > stages divider. > > Cheers, > Isaac > > > ...... If only I still had my TTL/CMOS logic > > books. > --=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 .