Datasheet

DocID028479 Rev 1 111/121
STM32F722xx STM32F723xx Package information
117
Figure 34. UFBGA144 - 144-ball, 7 x 7 mm, 0.50 mm pitch, ultra fine pitch ball grid
array package recommended footprint
ddd - - 0.100 - - 0.0039
eee - - 0.150 - - 0.0059
fff - - 0.050 - - 0.0020
1. Values in inches are converted from mm and rounded to 4 decimal digits.
Table 19. UFBGA144 recommended PCB design rules (0.50 mm pitch BGA)
Dimension Recommended values
Pitch 0.50 mm
Dpad 0.280 mm
Dsm
0.370 mm typ. (depends on the soldermask
registration tolerance)
Stencil opening 0.280 mm
Stencil thickness Between 0.100 mm and 0.125 mm
Pad trace width 0.120 mm
Table 18. UFBGA144 - 144-ball, 7 x 7 mm, 0.50 mm pitch, ultra fine pitch ball grid
array package mechanical data (continued)
Symbol
millimeters inches
(1)
Min. Typ. Max. Min. Typ. Max.
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'SDG
'VP
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