EFM8SB1 Datasheet, PDF (46/55 Pages) Silicon Laboratories – The EFM8SB1 highlighted features are listed below

9.2 QFN24 PCB Land Pattern
EFM8SB1 Data Sheet
QFN24 Package Specifications
Dimension
C1
C2
E
X1
X2
Y1
Y2
Figure 9.2. QFN24 PCB Land Pattern Drawing
Table 9.2. QFN24 PCB Land Pattern Dimensions
Min
Max
3.90
4.00
3.90
4.00
0.50 BSC
0.20
0.30
2.70
2.80
0.65
0.75
2.70
2.80
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