EFM8BB2 Datasheet, PDF (44/55 Pages) Silicon Laboratories – The EFM8BB2 highlighted features are listed below

8. QSOP24 Package Specifications
8.1 QSOP24 Package Dimensions
EFM8BB2 Data Sheet
QSOP24 Package Specifications
Figure 8.1. QSOP24 Package Drawing
Dimension
A
A1
b
c
D
E
E1
e
L
theta
Table 8.1. QSOP24 Package Dimensions
Min
Typ
—
—
0.10
—
0.20
—
0.10
—
8.65 BSC
6.00 BSC
3.90 BSC
0.635 BSC
0.40
—
0º
—
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Max
1.75
0.25
0.30
0.25
1.27
8º
Rev. 1.1 | 43