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2.3 Recommended Dimensions for User System Mount Pad

Figure 6 shows the recommended dimensions for the mount pad (footprint) for the user system with

an IC socket for an TFP-120 package (IC149-120-043-B5: manufactured by YAMAICHI

ELECTRONICS Co., Ltd). Note that the dimensions in figure 6 are somewhat different from those

of the actual chip's mount pad.

Unit: mm

0.40 – 0.05 0.25 – 0.05

0.40 x 29 = 11.60 – 0.05

13.80 (max.)

17.10 (min.)

0.40 – 0.05

Figure 6 Recommended Dimensions for Mount Pad

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