10
3.3
Recommended Dimensions for User System Mount Pad (Footprint)
Figure 4 shows the recommended dimensions for the mount pad (footprint) for the user system
with an IC socket for a PLQP0144KA-A package (NQPACK144SD-ND: manufactured by Tokyo
Eletech Corporation). Note that the dimensions in figure 4 are somewhat different from those of
the actual chip's mount pad.
0.50
0.25
7.00
23.00
19.00
0.5 x 35 = 17.5
7.0
2.00
0.5 x 35 = 17.5
SL-type
0.50
Unit: mm
Dimension and tolerance
Tolerance
±0.05
±0.10
±0.15
±0.20
±0.30
Dimension
Up to 1.2
1.3 to 2.0
2.1 to 5.0
5.1 to 10.0
10.1 or above
Figure 4 Recommended Dimensions for Mount Pad
