Renesas SH7149 Computer Hardware User Manual


 
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4.3 Recommended Dimensions for User System Mount Pad (Footprint)
Figure 6 shows the recommended dimensions for the mount pad (footprint) for the user system
with an IC socket for a PLQP0100KB-A (former code: FP-100UV) package
(NQPACK100SD-ND: manufactured by Tokyo Eletech Corporation). Note that the dimensions
in figure 6 are somewhat different from those of the actual chip's mount pad.
0.5
0.255.8
0.5 x 24 = 12
5.8
17
SL-type
2
2
13
Pin 1
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 6 Recommended Dimensions for Mount Pad