From: Eric Smith <>
Date: Sun Jan 17 15:10:57 1999

I wrote:
> I can't imagine any reason why a 27C256 shouldn't work, as long as it was
> rated for the correct speed (or faster). The drive shouldn't be able to
> tell the difference.

Bruce wrote:
> No, but the bridge board might. Admittedly, I'm not 100% sure what the
> difference is between the standard and CMOS versions. Any enlightenment.

The 'C' version has lower power consumption. Active is somewhat lower;
quiescent is *much* lower.

In general CMOS parts may have different voltage thresholds on the inputs,
but many parts that were specifically designed to replace NMOS parts use
input circuits designed for compatability.

Unless they designed the board to detect the power consumption of the EPROM
(which would be silly), or they are running very close to the minimum load
of the power supply (which would be a poor design), it should be fine.
Received on Sun Jan 17 1999 - 15:10:57 GMT

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