SI871X Datasheet, PDF (25/35 Pages) Silicon Laboratories – Industrial automation

Si871x/2x
10. Land Pattern: 8-Pin Narrow Body SOIC
Figure 16 illustrates the recommended land pattern details for the Si871x/2x in an 8-pin narrow-body SOIC.
Table 16 lists the values for the dimensions shown in the illustration.
Figure 16. 8-Pin Narrow Body SOIC Land Pattern
Table 16. 8-Pin Narrow Body SOIC Land Pattern Dimensions
Dimension
C1
Feature
Pad Column Spacing
(mm)
5.40
E
Pad Row Pitch
1.27
X1
Pad Width
0.60
Y1
Pad Length
1.55
Notes:
1. This Land Pattern Design is based on IPC-7351 pattern SOIC127P600X173-8N for
Density Level B (Median Land Protrusion).
2. All feature sizes shown are at Maximum Material Condition (MMC) and a card
fabrication tolerance of 0.05 mm is assumed.
Rev. 1.0
25