SI4455-C2A-GMR Datasheet, PDF (37/39 Pages) Silicon Laboratories – EASY-TO-USE, LOW-CURRENT OOK/(G)FSK SUB-GHZ TRANSCEIVER, TRANSMITTER, AND RECEIVER

10. PCB Land Pattern
Si4x55-C
Figure 21. 20-pin QFN PCB Land Pattern
Table 16. PCB Land Pattern Dimensions
Dimension
MIN
MAX
C1
3.00
C2
3.00
E
0.50 REF
X1
0.25
0.35
X2
1.65
1.75
Y1
0.85
0.95
Y2
1.65
1.75
Y3
0.37
0.47
f
2.40 REF
c
0.25
0.35
Note: All dimensions shown are in millimeters (mm) unless otherwise noted.
Rev 1.0
37