Datasheet

Package information STM32L052x6 STM32L052x8
118/143 DocID025936 Rev 8
Figure 42. TFBGA64 – 64-ball, 5 x 5 mm, 0.5 mm pitch, thin profile 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.
ddd - - 0.080 - - 0.0031
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 82. TFBGA64 recommended PCB design rules (0.5 mm pitch BGA)
Dimension Recommended values
Pitch 0.5
Dpad 0.27 mm
Dsm
0.35 mm typ. (depends on the soldermask
registration tolerance)
Solder paste 0.27 mm aperture diameter.
Table 81. TFBGA64 – 64-ball, 5 x 5 mm, 0.5 mm pitch, thin profile fine pitch ball
grid array package mechanical data (continued)
Symbol
millimeters inches
(1)
Min Typ Max Min Typ Max
069
'VP
'SDG
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