Si8440/41/42/45
9. Land Pattern: 16-Pin Narrow Body SOIC
lists the values for the dimensions shown in the illustration.
Figure 19. 16-Pin Narrow Body SOIC PCB Land Pattern
Table 19. 16-Pin Narrow Body SOIC Land Pattern Dimensions
Dimension
C1
E
X1
Y1
Feature
Pad Column Spacing
Pad Row Pitch
Pad Width
Pad Length
(mm)
5.40
1.27
0.60
1.55
Notes:
1.
This Land Pattern Design is based on IPC-7351 pattern SOIC127P600X165-16N
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. 1.5
33