Datasheet
Package characteristics STM32F103x8, STM32F103xB
86/105 DocID13587 Rev 16
Figure 46. Recommended PCB design rules (0.80/0.75 mm pitch BGA)
1. Values in inches are converted from mm and rounded to 4 decimal digits.
Dpad
Dsm
Dpad 0.37 mm
Dsm
0.52 mm typ. (depends on solder
mask registration tolerance
Solder paste 0.37 mm aperture diameter
– Non solder mask defined pads are recommended
– 4 to 6 mils screen print
.47