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Altera_Forum
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14 years ago

148-pin QFN case on 1 mm PCB

Hello, In its Cyclone 4 family Altera introduced new 148-pin QFN case. What is the reason to recommend rather thin PCB, <0.8 mm, for this case? Is it PCB thermal expansion? And what ca...
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Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

I'd use the recommended 0.8 mm FR4 with surface-mount connectors.