> >> Describe your device. Is it a 4 pin, 14pin DIP size thing? Then in this > >> case, its a TTL oscillator, not a pure crystal. How is it wired up....if i t > >> is an oscillator? > > > >Its a 28 pin dip. The problem is that the label covers the IC, so I > >can only make out the 16C part of it. > > > >Lloyd > > He was asking about the xtal, not the micro. They make oscillators, in > either 8 or 14 pin metal can or plastic dips, but I doubt that's what you > have on the mim. Sorry, my mistake. The crystal is a two lead can. The leads are 0.2" apart. The metal can stands about 0.5" tall. Dr Clement's email address is: "William I. Clement" Thanks, Lloyd