Problem erasing & re-using GM Proms
ECMnut at aol.com
ECMnut at aol.com
Fri Jan 5 12:59:54 GMT 2001
Yes! it has an 014 on the chip. Thanks to all for the insight
on this subject. What does VCC stand for?
Mike V
> I had a 2732 that didn't program with a $170 (MSRP) programmer. It
> programmed fine with a $17000 (MSRP) programmer. The EPROM turned out
> to be a NatSemi/Fairchild 27C32B. That chip wants to be programmed with
> VCC = 6.25 volts.
>
> Does your problem EPROM have the code 014 on it? 014 means NatSemi or
> Fairchild. It's likely that many of their chips are picky about their
> programming conditions.
>
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