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2.3 Recommended Dimensions for User System Mount Pad
Figure 5 shows the recommended dimensions for the mount pad (footprint) for the user system with
an IC socket for an FP-80B package (IC149-080-012-B5: manufactured by YAMAICHI
ELECTRONICS Co., Ltd.). Note that the dimensions in figure 5 are somewhat different from those
of the actual chip's mount pad.
10
Unit: mm
0.80 – 0.05
0.50
0.80 x 23 = 18.40 – 0.1
0.80 x 15 = 12.00 – 0.1
21.20 (max.)
26.00 (min.)
15.20 (max.)
20.00 (min.)
0.80 – 0.05
+ 0.05
- 0.1
Figure 5 Recommended Dimensions for Mount Pad