Renesas PLQP0176KB-A 用户手册
9
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 PLQP0176KB-A package (NQPACK176SD: manufactured by Tokyo
Eletech Corporation). Note that the dimensions in figure 4 are somewhat different from those of
the actual chip's mount pad.
with an IC socket for a PLQP0176KB-A package (NQPACK176SD: manufactured by Tokyo
Eletech Corporation). Note that the dimensions in figure 4 are somewhat different from those of
the actual chip's mount pad.
Pin 1
10.0 ± 0.2
10.0 ± 0.2
0.25 ± 0.05
2.00 ± 0.10
0.50
×
43 = 21.50 ± 0.30
0.50
×
43 = 21.5 ± 0.30
23.10 max
27.10 min
0.5 ± 0.05
0.50 ± 0.05
Location determination hole
Unit: mm
Dimension and tolerance
Tolerance
±0.05
±0.10
±0.15
±0.20
±0.30
±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
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