2-Port USB 2.0 Hi-Speed Hub Controller

Datasheet

Revision 1.3 (12-27-11)

22

SMSC USB2412

DATASHEET

Chapter 6 Package Outline

Figure 6.1 USB2412 28-Pin QFN Package Outline (5x5 mm Body, 0.5 Pitch, 3.1 ePad)

Notes:

1.

All dimensions are in millimeters.

2.

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.

3.

Details of terminal #1 identifier are optional. However, they must be located within the area indicated.

4.

Coplanarity zone applies to exposed pad and terminals.

Table 6.1 Package Parameters

MIN

NOMINAL

MAX

NOTE

REMARKS

A

0.80

0.85

1.00

-

Overall Package Height

A1

0

0.02

0.05

-

Standoff

A2

0.60

-

0.80

-

Mold Cap Thickness

D/E

4.90

5.00

5.10

-

X/Y Overall Body Size

D1/E1

4.55

4.75

4.95

-

X/Y Mold Cap Size

D2/E2

3.00

3.10

3.20

-

X/Y Exposed Pad Size

L

0.30

0.40

0.50

-

Terminal Length

b

0.18

0.25

0.30

2

Terminal Width

K

0.45

0.55

-

-

Terminal to ePad Clearance

e

0.50 BSC

-

Terminal Pitch