EFM8UB2 Datasheet, PDF (40/50 Pages) Silicon Laboratories – The EFM8UB2 highlighted features are listed below

EFM8UB2 Data Sheet
QFP32 Package Specifications
Dimension
Min
Typ
Max
bbb
0.20
ccc
0.10
ddd
0.20
theta
0°
3.5°
7°
Note:
1. All dimensions shown are in millimeters (mm) unless otherwise noted.
2. Dimensioning and Tolerancing per ANSI Y14.5M-1994.
3. This drawing conforms to JEDEC outline MS-026, variation BBA.
4. Recommended card reflow profile is per the JEDEC/IPC J-STD-020C specification for Small Body Components.
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