EFM8BB1 Datasheet, PDF (42/46 Pages) Silicon Laboratories – The EFM8BB1 highlighted features are listed below

9.2 SOIC16 PCB Land Pattern
EFM8BB1 Data Sheet
SOIC16 Package Specifications
Figure 9.2. SOIC16 PCB Land Pattern Drawing
Table 9.2. SOIC16 PCB Land Pattern Dimensions
Dimension
Feature
(mm)
C1
Pad Column Spacing
5.40
E
Pad Row Pitch
1.27
X1
Pad Width
0.60
Y1
Pad Length
1.55
Note:
1. All dimensions shown are in millimeters (mm) unless otherwise noted.
2. This Land Pattern Design is based on IPC-7351 pattern SOIC127P600X165-16N for Density Level B (Median Land Protrusion).
3. All feature sizes shown are at Maximum Material Condition (MMC) and a card fabrication tolerance of 0.05 mm is assumed.
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