Labels Milestones
Back36.2.3 of http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-42363-SAM-D11_Datasheet.pdf WLCSP-56, 7x8 raster, 3.170x3.444mm package, pitch 0.4mm.
- Staggered pins, http://www.adestotech.com/wp-content/uploads/DS-AT25DF041B_040.pdf WLCSP.
- Another supplier, mouser sells only.