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Altera_Forum
Honored Contributor
Honored Contributor148-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...
Altera_ForumHonored Contributor
Honored ContributorHi,
there is an answer in the knowldege base : http://www.altera.com/support/kdb/solutions/rd07052010_123.html If you have a PCB thicker than > 0.8mm you should use a BGA package. Regards, HJS
