re hc blues no can find in article pat fegmania wustl edu pat fegmania patrick niemeyer writes ree zach fit edu keith ledig writes was told by other people that it just takes a long time i heard rumors that the hc is very hard to get these days and is being replaced by the series the sales person is trying to push the can someone please tell me what is going on with these microcontrollers i can t seem to get a straight answer i too had trouble finding hc s when i looked for them a while back i d be interesting in hearing if anyone knows about their availability now thanks pat the hc is an eprom version of the hc raw hc parts have factory set rom images and as such are useless to the hobbyist hc parts have eeprom allowing for electrical erasure and reprogramming some motorola parts such as the hc k have eprom making them user programmable but come with options of either windowed or sealed the more expensive windowed packages allow multiple use the plastic dip varieties are one time programmable since there is no way of exposing the eprom array to light johnh electronics department school of mpce macquarie university sydney australia email johnh mpce mq edu au ph fax
