Filter
Top Products
2-Port USB 2.0 Hub Controller
Datasheet
Revision 2.3 (08-27-07) 44 SMSC USB2502
DATASHEET
Figure 9.2 48 Pin TQFP Package Outline (7x7x1.4 mm body, 2mm Footprint)
Notes:
1. Controlling Unit: millimeter.
2. Tolerance on the true position of the leads is ± 0.04 mm maximum.
3. Package body dimensions D1 and E1 do not include the mold protrusion.
Maximum mold protrusion is 0.25 mm.
4. Dimension for foot length L measured at the gauge plane 0.25 mm above the seating plane.
5.
Details of pin 1 identifier are optional but must be located within the zone indicated.
Table 9.1 48 Pin TQFP Package
MIN NOMINAL MAX REMARKS
A ~ ~ 1.60 Overall Package Height
A1 0.05 ~ 0.15 Standoff
A2 1.35 ~ 1.45 Body Thickness
D 8.80 ~ 9.20 X Span
D1 6.90 ~ 7.10 X body Size
E 8.80 ~ 9.20 Y Span
E1 6.90 ~ 7.10 Y body Size
H 0.09 ~ 0.20 Lead Frame Thickness
L 0.45 0.60 0.75 Lead Foot Length
L1 ~ 1.00 ~ Lead Length
e
0.50 Basic Lead Pitch
θ
0
o
~7
o
Lead Foot Angle
W 0.17 0.22 0.27 Lead Width
R1 0.08 ~ ~ Lead Shoulder Radius
R2 0.08 ~ 0.20 Lead Foot Radius
ccc ~ ~ 0.08 Coplanarity