Problem erasing & re-using GM Proms

[ECMnut at aol.com]

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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