EFM8SB2 Datasheet, PDF (39/49 Pages) Silicon Laboratories – The EFM8SB2 highlighted features are listed below

8. QFN24 Package Specifications
8.1 QFN24 Package Dimensions
EFM8SB2 Data Sheet
QFN24 Package Specifications
Dimension
A
A1
b
D
D2
e
E
E2
L
L1
aaa
Figure 8.1. QFN24 Package Drawing
Table 8.1. QFN24 Package Dimensions
Min
Typ
0.70
0.75
0.00
0.02
0.18
0.25
4.00 BSC
2.55
2.70
0.50 BSC
4.00 BSC
2.55
2.70
0.30
0.40
0.00
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Max
0.80
0.05
0.30
2.80
2.80
0.50
0.15
0.15
Rev. 1.1 | 38