Labels Milestones
BackOf http://www.st.com/resource/en/datasheet/stm32f071v8.pdf WLCSP-63, 7x9 raster, 3.228x4.164mm package, pitch 0.4mm; see section 7.5 of http://www.st.com/resource/en/datasheet/DM00340475.pdf WLCSP-66, 9x9 raster, 4.4084x3.7594mm package, pitch 0.5mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32l152zd.pdf WLCSP-64, 8x8 raster, 5x5mm package, pitch 0.4mm pad, based on the mid surdos.