ard at p850ug1.demon.co.uk
Fri Sep 14 16:29:42 CDT 2007
> I've been trying to google up an answer, but have had no luck. What is the
> difference between a 27256 and a 27C256 EPROM? Can a 27C256 EPROM be
> substituted for a 27256?
The 27C256 is CMOS, the 27256 is NMOS.
The former has a lower power consumptiom than the latter, and there may
be differnces in the access times, but they're pretty similar devices. I
would be suprised if there was a circuit hat would work with the latter
but not the former.
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