13
5.3 Recommended Dimensions for User System Mount Pad (Footprint)Figure 10 shows the recommended dimensions for the mount pad (footprint) for the user system
with an IC socket for an FP-144F package (NQPACK144SD: manufactured by Tokyo Eletech
Corporation). Note that the dimensions in figure 10 are somewhat different from those of the
actual chip's mount pad.
Unit: mm
Tolerance: ±0.10 mm
0.50 0.257.00
23.00
19.00
0.5 x 35 = 17.5
7.0
2.00
3 - Ø1.0
0.5 x 35 = 17.5
Ø3.2
SL-type
0.50
Figure 10 Recommended Dimensions for Mount Pad