On 11/27/12 10:22 AM, Gerrit Heitsch wrote: > As for the timing... grab the datasheet for the 82S100 or the Fairchild > 93459PC from the net. That's the original bipolar PLA. Its spec is 45ns, > the fastest EPROM I have ever seen was a 27C256-55, but as I said, speed > isn't everything. I have seen 27C512-45 from AMD and STMicroelectronics. This part is not common but you can usually find them on eBay from surplus dealers. I used one to replace a bad PLA in my 8296D. You can build an adapter easily using a socket and some wire: http://mikenaberezny.com/projects/pla-eprom/ Regards, Mike -- Mike Naberezny (firstname.lastname@example.org) http://6502.org Message was sent through the cbm-hackers mailing listReceived on 2012-11-27 20:02:10
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