A marginally larger package would cut design times and improve PCB yields and performance.

Most electronics engineers know there is no 1.1mm BGA or CGA package. Because we are forced to use a 1mm pitch package, we live with tradeoffs. A slight increase in the pitch size, however, could satisfy the needs for today’s high I/O pin count designs.

This conclusion comes from my observations of building Class 3 and aerospace 1mm pitch products, and the challenges, setbacks, redesigns, returned product, and field failures we all endure.

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