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Altera_Forum
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14 years ago

EMP1270 BGA burning up

On a new design we have a repeated problem that the EMP1270 developes a short between pwr and gnd and smokes. Single 3.3v supply operation, all other devices on board on same supply. The only exposed...
Altera_Forum's avatar
Altera_Forum
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14 years ago

They didn't build them with the MAX II G devices did they..

VCC-INT is 1.8 V on this variation, so if you are using 3.3 I could see them burning out in that case.

EMP1270G ? instead of EMP1270?

Other than that do you have any 5V devices talking to it? There's an internal clamp diode function to make them the io's 5 v tolerant..

Do the parts run hot when they power up ok? or do they just get hot when they burn out?

Pete