Classic computers endangered!

Tony Duell ard at
Tue Oct 6 16:02:28 CDT 2009

> Since I have a small number of 74LS83s in my parts bins, I might have
> to try that if I end up verifying that I have a dead 7482 on one of my
> M220s (from an -8/L, in my case).

I can't remember if it will _always_ replace a '82 (there may be enable 
pins that I've forgotten or something). I can check if you like.

> I think I've seen 74LS83s for sale somewhat recently (at Unicorn or
> some similar place).

The '283 is much the same device with a saner pinout (power pins in the 
corners), so you could probably use that too


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