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0.9x1.9mm, 8 bump 2x4 (perimeter) array, NSMD pad definition Appendix A BGA 256 1 FT256 FTG256 Spartan-7 BGA, 14x14 grid, 8x8mm package, pitch 0.4mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32l152zc.pdf WLCSP-64, 8x8 raster, 3.347x3.585mm package, pitch 0.4mm; see section 7.4 of http://www.st.com/resource/en/datasheet/stm32f071v8.pdf WLCSP-63, 7x9 raster, 3.228x4.164mm package, pitch 0.4mm; see section 7.1 of http://www.st.com/resource/en/datasheet/stm32f051t8.pdf WLCSP-36, 6x6 raster, 2.553x2.579mm package, pitch 0.4mm; see section 6.8 of http://www.st.com/resource/en/datasheet/stm32f746zg.pdf TFBGA-100, 10x10, 9x9mm package, pitch 0.4mm; see section 7.4 of http://www.st.com/resource/en/datasheet/DM00366448.pdf WLCSP-168, 12x14 raster, 4.891x5.692mm package, pitch 0.4mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32f031k6.pdf WLCSP-25, 5x5 raster, 2.423x2.325mm package, pitch 0.4mm pad, 15x15mm, 289 Ball, 17x17 Layout, 0.8mm Pitch, https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-bga/05081600_0_bga49.pdf.

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