[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
---- IEE Cambridge Branch: http://www.iee-cambridge.org.uk ----
More information about the Synth-diy
mailing list