2-Port USB 2.0 Hi-Speed Hub Controller
Datasheet
Chapter 6 Package Outline
Figure 6.1 USB2412 28-Pin QFN Package Outline (5x5 mm Body, 0.5 Pitch, 3.1 ePad)
Table 6.1 Package Parameters
MIN
A
A1
A2
D/E
D1/E1
D2/E2
L
b
K
e
1.
2.
3.
4.
NOMINAL
0.85
0.02
-
5.00
4.75
3.10
0.40
0.25
0.55
0.50 BSC
MAX
1.00
0.05
0.80
5.10
4.95
3.20
0.50
0.30
-
NOTE
-
-
-
-
-
-
-
2
-
-
REMARKS
Overall Package Height
Standoff
Mold Cap Thickness
X/Y Overall Body Size
X/Y Mold Cap Size
X/Y Exposed Pad Size
Terminal Length
Terminal Width
Terminal to ePad Clearance
Terminal Pitch
0.80
0
0.60
4.90
4.55
3.00
0.30
0.18
0.45
Notes:
All dimensions are in millimeters.
Position tolerance of each terminal and exposed pad is ±0.05 mm at maximum material condition. Instances of dimension “b”
apply to plated terminals and is measured between 0.15 and 0.33 mm from the terminal tip.
Details of terminal #1 identifier are optional. However, they must be located within the area indicated.
Coplanarity zone applies to exposed pad and terminals.
Revision 1.3 (12-27-11)
DATASHEET
22
SMSC USB2412
SMSC [ SMSC CORPORATION ]
