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7.1 of http://www.st.com/resource/en/datasheet/stm32f103tb.pdf LFBGA-144, 12x12 raster, 10x10mm package, pitch 0.8mm; see section 7.8 of http://www.st.com/resource/en/datasheet/DM00387108.pdf Texas Instruments, DSBGA, 0.9x1.4mm, 6 bump 2x3 (perimeter) array, NSMD pad definition Appendix A BGA 484 0.8 SBG485 SBV485 LFCSP, exposed pad, thermal vias, http://www.ti.com/lit/ds/symlink/drv8870.pdf.

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