Datasheet

Package information STM32F412xE/G
182/193 DocID028087 Rev 4
Figure 79. UFBGA144 - 144-pin, 10 x 10 mm, 0.80 mm pitch, ultra fine pitch ball
grid array recommended footprint
Note: Non solder mask defined (NSMD) pads are recommended.
4 to 6 mils solder paste screen printing process.
Stencil opening is 0.400 mm.
Stencil thickness is between 0.100 mm and 0.125 mm.
Pad trace width is 0.120 mm.
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 107. 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)
Table 106. 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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