Do you or someone have a list of all the Unibus bus chips ? I'd like to put them in my search list
-pete On Mon, Feb 8, 2016 at 2:10 PM, Guy Sotomayor <g...@shiresoft.com> wrote: > >> On Feb 8, 2016, at 2:04 PM, Noel Chiappa <j...@mercury.lcs.mit.edu> wrote: >> >> >> >>> From: Ethan Dicks >> >>> I'm starting to get sorry I sold off my surplus NS8641s from Software >>> Results 20 years ago. To be fair, I did get over $4 each for them, so at the >>> time, it was a good deal for me (ISTR retail was $7.50 even then, so I >>> got a good spread on the price). >>> I do have some left, but handfuls, not armloads. >> >> NS8641's are still available. I got a bunch from a guy in Hong Kong for >> US$1.50 each - considering the source, I built a test card to make sure they >> met specs, and they do, so I'm pretty sure they aren't counterfeits. :-) >> >> When I was worried he couldn't find enough, I checked with a supplier (4 Star >> Electronics, I think) and they had like 50K available, and quoted me a price >> in about the same region, so I don't think UNIBUS transceivers actually are a >> problem, at least, not at the moment. > > That’s good to know although I use a number of different UNIBUS interface > parts depending upon the signal (input only, output only or bi-directional). > But NS8641’s are the most numerous. > > TTFN - Guy > >