Datasheet

DS6329 Rev 16 167/184
STM32F20xxx Package information
183
Figure 90. UFBGA176+25 - 201-ball, 10 x 10 mm, 0.65 mm pitch, ultra fine pitch ball
grid array package recommended footprint
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 94. UFBGA176+25 recommended PCB design rules (0.65 mm pitch BGA)
Dimension Recommended values
Pitch 0.65 mm
Dpad 0.300 mm
Dsm
0.400 mm typ (depends on the soldermask
registration tolerance)
Stencil opening 0.300 mm
Stencil thickness Between 0.100 mm and 0.125 mm
Pad trace width 0.100 mm
Table 93. UFBGA176+25, - 201-ball, 10 x 10 mm, 0.65 mm pitch,
ultra fine pitch ball grid array package mechanical data (continued)
Symbol
millimeters inches
(1)
Min Typ Max Min Typ Max
Ϭϳͺ&Wͺsϭ
'SDG
'VP
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