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White Paper: Basics of Ball Grid Arrays (BGAs)

While there are entire textbooks that cover the topic of BGAs, their use and fanout techniques, the quick overview provided here offers an engineer a good starting point for improving BGA designs.
April 26, 2017
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BGA’s are the boon and bane of engineers and printed circuit board designers. Their unparalleled pin density and low lead inductance are essential in today’s high-pin count, high-frequency integrated circuits. However, that same pin density and unique interface create a challenge unique unto themselves. These challenges need to be faced head on since the ball grid array (BGA) is prevalent in modern PCBs. The quick overview provided here offers engineers a good starting point for improving BGA designs.