Labels Milestones
BackWLCSP-20, 4x5 raster, 1.934x2.434mm package, pitch 0.4mm; see section 7.6 of http://www.st.com/resource/en/datasheet/stm32l072kz.pdf WLCSP-49, 7x7 raster, 3.141x3.127mm package, pitch 0.4mm; see section 7.5 of http://www.st.com/resource/en/datasheet/DM00257211.pdf WLCSP-64, 8x8 raster, 4.539x4.911mm package, pitch 0.4mm.
- Size 65x9mm^2 drill 1.3mm pad.
- Connector, 505405-1070 (http://www.molex.com/pdm_docs/sd/5054050270_sd.pdf), generated with kicad-footprint-generator.