![]() ![]() (All of the EPROMs have seemed pretty good for this.) Would the 28C family be a good place to look? Robustness to student wiring mistakes would be great. I'd be happy with as few as 8 address bits (we use two LS163s for the PC), although I doubt anyone makes something that small. It doesn't need to be pin-compatible, although that would be nice. I started with the 27C256 EPROM but switched to the 29C256 EEPROM, which has now gotten hard to find.Ĭan anyone recommend an EEPROM (I'm sick of UV erasers) that would be a good replacement? Specifically, it should be reasonably priced, reliable, easily available and likely to remain so. The instructions are read by a low-speed TTL computer they build. I teach a hands-on computer architecture course in which the students burn their programs onto an EPROM with a commerical PROM burner.
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