Silicon Laboratories Si2415 Dokumentacja Pobierz pdf (Strona 55)

Si2457/34/15/04

Rev. 1.3 55

13. 24-Pin TSSOP Land Pattern

Figure 22 illustrates the recommended land pattern for the Si2457/34/15/04 24-Pin TSSOP. Table 16 lists the

values for the dimensions shown in the illustration.

Figure 22. 24-Pin TSSOP Land Pattern Diagram

Table 16. 24-Pin TSSOP PCB Land Pattern

Dimension Feature (mm)

C1 Pad Column Spacing 5.80

E Pad Row Pitch 0.65

X1 Pad Width 0.45

Y1 Pad Length 1.40

Notes:

1. This Land Pattern Design is based on IPC-7351 specifications 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.

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Silicon Laboratories Si2415 Dokumentacja Strona 55