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About BGA drawing

mulfycrowh , 11-19-2020, 04:05 PM

on this drawing for a BGA, I do not understand the meaning of ddd and eee.
thanks for help.
robertferanec , 11-20-2020, 08:58 AM
Interesting. What is the part number?
mulfycrowh , 11-20-2020, 09:20 AM
It's under NDA. I'm not allowed to give it.
I guess that 'b' gives the ball diameter: 0.3 mm
mulfycrowh , 11-20-2020, 10:50 AM
Finally I generated the footprint using free Library Expert Pro.
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