Labels Milestones
BackUFBGA-15, 4x4, 3x3mm package, pitch 0.4mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32f051t8.pdf WLCSP-36, 6x6 raster, 2.61x2.88mm package.
UFBGA-15, 4x4, 3x3mm package, pitch 0.4mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32f051t8.pdf WLCSP-36, 6x6 raster, 2.61x2.88mm package.