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SI87XX Datasheet, PDF (31/36 Pages) Silicon Laboratories – 5 KV LED EMULATOR INPUT, OPEN COLLECTOR OUTPUT ISOLATORS
Si87xx
17. Land Pattern: LGA8
Figure 22 illustrates the recommended land pattern details for the Si87xx in an LGA8 package. Table 23 lists the
values for the dimensions shown in the illustration.
Figure 22. LGA8 Land Pattern
Table 23. LGA8 Land Pattern Dimensions
Dimension
Feature
(mm)
C1
Pad Column Spacing
11.80
E
Pad Row Pitch
2.54
X1
Pad Width
1.30
Y1
Pad Length
1.80
Notes:
1. This Land Pattern Design is based on IPC-7351 specifications.
2. All feature sizes shown are at Maximum Material Condition (MMC) and a card
fabrication tolerance of 0.05 mm is assumed.
Preliminary Rev. 0.5
31