NISMOPC Posted August 7, 2020 Share Posted August 7, 2020 I am getting into burning my own EPROMs and I purchased a TL866II and it will be here in a couple days. This is new territory for me, so I am in the early learning phase. I have a question regarding the 27C512 EPROMs. I see there are several different speeds available 45ns, 70ns, 150ns, 200ns, etc. Does that matter when looking for compatible chips for Atari 8-bits? I see a few available on Mouser Electronics like the AT27C512R-70PU and AT27C512R-45PU for examples. Are there other compatible EPROMs or are these considered pretty standard and easy to burn? I will be installing Dropcheck's 4 in 1 OS switch into two different systems and want to make sure I get the correct EPROM to burn to. I might also venture into other projects where I will learn more, but this will be my initial first time hands on experience. Quote Link to comment Share on other sites More sharing options...
Roydea6 Posted August 7, 2020 Share Posted August 7, 2020 70ns and up. 70ns is a little fast and 200ns is marginal slow. 1 Quote Link to comment Share on other sites More sharing options...
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