Barry, You are correct!!! MCHIP will use the "F" designation for all of there "flash" p roducts! > > Is the flash version of the 74A out yet? > > Nope. It would be called the 16C874. Mchip wisely decided > to go for the flash version of the 16C77 first. It is > called the 16C877 and beta samples are rumoured to be > doing the rounds. It will cost more or less the same as > a small passenger vehicle (20% more than the vanilla > 16C77). According to a Microchip engineer I spoke with on the phone a few days back, the name will be 16F874 and 16F877. Either that or he was using some sort of internal nomenclature. *shrug* Barry