Datasheet

Package information STM32F446xC/E
190/202 DocID027107 Rev 6
Figure 80. UFBGA144 - 144-pin, 10 x 10 mm, 0.80 mm pitch, ultra fine pitch ball
grid array package recommended footprint
F 0.550 0.600 0.650 0.0177 0.0197 0.0217
ddd - - 0.080 - - 0.0039
eee - - 0.150 - - 0.0059
fff - - 0.080 - - 0.0020
1. Values in inches are converted from mm and rounded to 4 decimal digits.
Table 114. UFBGA144 recommended PCB design rules (0.80 mm pitch BGA)
Dimension Recommended values
Pitch 0.80 mm
Dpad 0.400 mm
Dsm
0.550 mm typ. (depends on the soldermask
registration tolerance)
Stencil opening 0.400 mm
Stencil thickness Between 0.100 mm and 0.125 mm
Pad trace width 0.120 mm
Table 113. UFBGA144 - 144-pin, 10 x 10 mm, 0.80 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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