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SI8421AD Datasheet, PDF (33/37 Pages) List of Unclassifed Manufacturers – LOW-POWER, SINGLE AND DUAL-CHANNEL DIGITAL ISOLATORS
Si8410/20/21 (5 kV)
Si8422/23 (2.5 & 5 kV)
10. Land Pattern: 8-Pin Narrow Body SOIC
Figure 20 illustrates the recommended land pattern details for the Si84xx in an 8-pin narrow-body SOIC. Table 17
lists the values for the dimensions shown in the illustration.
Figure 20. PCB Land Pattern: 8-Pin Narrow Body SOIC
Table 17. PCM Land Pattern Dimensions (8-Pin Narrow Body SOIC)
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
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. 1.3
33