Labels Milestones
Back12x12 raster, 7x7mm package, pitch 0.4mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32l476me.pdf WLCSP-81, 9x9 raster, 4x4mm package, pitch 0.65mm; see section 7.4 of http://www.st.com/resource/en/datasheet/stm32f446ze.pdf UFBGA-169, 13x13 raster, 7x7mm package, pitch 0.4mm; see section 7.8 of.
- Gauge, Massstab, 50mm, SilkScreenTop, Type 4, Gauge Massstab.
- Size 5x4mm^2, drill diamater.
- You want finger ridges around the top.