Integrated USB 2.0 Compatible 3-Port Hub

Datasheet

Chapter 9 Package Outline

Figure 9.1 48 Pin QFN Package Outline (7x7 mm body - 0.5 mm pitch)

Table 9.1 48 Pin QFN Package Parameters

 

MIN

NOMINAL

MAX

REMARKS

 

 

 

 

 

A

0.70

~

1.00

Overall Package Height

A1

0

0.02

0.05

Standoff

A2

~

~

0.80

Mold Thickness

D

6.85

7.00

7.15

X Overall Size

D1

6.55

~

6.95

X Mold Cap Size

D2

2.25

~

5.60

X exposed Pad Size

E

6.85

7.00

7.15

Y Overall Size

E1

6.55

~

6.95

Y Mold Cap Size

E2

2.25

~

5.60

Y exposed Pad Size

L

0.30

~

0.50

Terminal Length

e

 

0.50 Basic

 

Terminal Pitch

b

0.18

~

0.30

Terminal Width

ccc

~

~

0.08

Coplanarity

Notes:

1.Controlling Unit: millimeter.

2.Dimension b applies to plated terminals and is measured between 0.15mm and 0.30mm from the terminal tip. Tolerance on the true position of the terminal is ± 0.05 mm at maximum material conditions (MMC).

3.Details of terminal #1 identifier are optional but must be located within the zone indicated.

4.Coplanarity zone applies to exposed pad and terminals.

Revision 2.3 (08-27-07)

43

SMSC USB2503/USB2503A

 

DATASHEET