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-100A package (IC149-KS-11113-0: 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.

9
0.65 – 0.05 0.35
0.65 x 29 = 18.85 – 0.1
0.65
x
19
=
12.35
0.1
21.4 (max.)
27.4 (min.)
15.4 (max.)
21.4 (min.)
0.65
0.05
+ 0.1
- 0.05
Unit: mm

Figure 5 Recommended Dimensions for Mount Pad