Renesas H8/3257 Series Computer Hardware User Manual


 
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-64A package (IC149-064-008-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.
8
Unit: mm
0.80 ± 0.05
0.45
0.80 x 15 = 12.00 ± 0.10
0.80 x 15 = 12.00 ± 0.10
14.80 max
20.80 min
0.80 ± 0.05
+ 0.10
- 0.05
Figure 5 Recommended Dimensions for Mount Pad