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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-80A package (IC149-080-017-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.

Unit: mm

0.35

0.65

19 = 12.35 0.1

+ 0.1

- 0.05

0.65 0.05

0.65 19 = 12.35 0.1

14.70 (max.)

20.50 (min.)

0.65 0.05

Figure 5 Recommended Dimensions for Mount Pad

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