EFM8LB1 Datasheet, PDF (61/70 Pages) Silicon Laboratories – The EFM8LB1 device family are fully integrated, mixed-signal system-on-a-chip MCUs. Highlighted features are listed below

9.2 QFN24 PCB Land Pattern
c
Y1
e
f
EFM8LB1 Data Sheet
QFN24 Package Specifications
X1
Y3
Y2
C2
c
X2
C1
Dimension
C1
C2
e
X1
X2
Y1
Y2
Y3
f
c
Figure 9.2. QFN24 PCB Land Pattern Drawing
Table 9.2. QFN24 PCB Land Pattern Dimensions
Min
3.00
3.00
0.4 REF
0.20
1.80
0.80
1.80
0.4
2.50 REF
0.25
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Max
0.35
Preliminary Rev. 0.4 | 60