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BGA-49, 6.25x6.25mm, 49 Ball, 7x7 Layout, 0.4mm Pitch, https://pdfserv.maximintegrated.com/package_dwgs/21-100489.PDF WLCSP-25, 5x5 raster, 2.097x2.493mm package, pitch 0.4mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32f031k6.pdf WLCSP-25, 5x5 raster, 2.097x2.493mm package, pitch 0.4mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32f303r8.pdf WLCSP-49, 7x7 raster, 3x3mm package, pitch 0.5mm; see section 6.8 of http://www.st.com/resource/en/datasheet/stm32f746zg.pdf TFBGA-100, 10x10, 9x9mm package, pitch 0.4mm; see section 7.8 of http://www.st.com/resource/en/datasheet/DM00387108.pdf Texas Instruments, DSBGA, 1.43x1.41mm, 8 bump 3x3 (perimeter) array, NSMD pad definition Appendix A BGA.

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