Si87xx

Preliminary Rev. 0.5

31

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.