[sdiy] EPROM has gone defected ?

Neil Johnson nej22 at hermes.cam.ac.uk
Mon Oct 20 13:56:13 CEST 2003


Colin,

> Personally, I prefer to replace older non-CMOS EPROMs with a CMOS type where
> possible. In some cases, you can feel the drop in temperature at the PSU
> heat sink. Some of those old EPROMs can draw 150mA in normal operation !

But... but... but then it wouldn't sound as "warm" then, would it ?!!!

Humour aside, some of the older devices there just aren't CMOS
equivalents, so its either daughter-board time, or dig out an old
programmer are re-zap them.

Neil

--
Neil Johnson :: Computer Laboratory :: University of Cambridge ::
http://www.njohnson.co.uk          http://www.cl.cam.ac.uk/~nej22
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