SI53119 Datasheet, PDF (33/35 Pages) Silicon Laboratories – 19-OUTPUT PCIE GEN 3 BUFFER

Si53119
9. Land Pattern: 72-pin QFN
for the Si53119 in a 72-pin QFN package. Table 27 lists
the values for the dimensions shown in the illustration.
Figure 13 shows the recommended land pattern details
Figure 13. 72-pin QFN Land Pattern
Table 27. PCB Land Pattern Dimensions
Dimension
mm
C1
9.90
C2
9.90
E
0.50
X1
0.30
Y1
0.85
X2
6.10
Y2
6.10
Rev. 1.1
33