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 a TFP-80C package (IC149-080-058-B51: 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
0.50
0.05 0.30
0.05
0.50
19 = 9.50
0.05
0.50
19 = 9.50
0.05
11.80 (max.)
15.10 (min.)
0.50
0.05

Figure 5 Recommended Dimensions for Mount Pad