Labels Milestones
Back25x25 grid, 21x21mm package, pitch 0.4mm; see section 7.4 of http://www.st.com/resource/en/datasheet/stm32f446ze.pdf WLCSP-81, 9x9 raster, 3.693x3.815mm 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.
- Size 8x8.3mm^2 drill 1.3mm pad.
- CUI PBO-3, THT https://www.cui.com/product/resource/pbo-3.pdf Converter AC-DC THT Vertical.
- After tweaking footprints some more, starting.