I don't use a gang programmer
but I don't see a programming several parts at once fixes parts that don't
program correctly. I have EMP-20, EMP-30 and an old ALLPRO. I have had parts
that would not program. I think what he means is that if the parts are good,
that they will all program. Since the parts are in parallel and will have
the same voltages applied they will all program or all not. This is the
way it should happen. I suppose it is possible that if one of the parts had a
problem that affected voltage to near the comp. thresholds that some might
program and not others. I did have some FPGA's that would not program because
the programmer could not provide adequate current. This same part had programmed
before and since so it was just a variation in the parts themselves. We did get
them to prog. by supplying vcc from a separate power supply.
Charles
I have a supplier telling me that with gang device
programming it is virtually impossible to have one or two not program
correctly. I think it's a load of bull, what do you think?
Kat
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