USB2503 datasheet(43/43 Pages) SMSC

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Integrated USB 2.0 Compatible 3-Port Hub

Datasheet

Revision 2.3 (08-27-07)

SMSC USB2503/USB2503A

DATASHEET

Chapter 9 Package Outline

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

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.

Table 9.1 48 Pin QFN Package Parameters

MIN

NOMINAL

MAX

REMARKS

0.70

1.00

Overall Package Height

0.02

0.05

Standoff

0.80

Mold Thickness

6.85

7.00

7.15

X Overall Size

6.55

6.95

X Mold Cap Size

2.25

5.60

X exposed Pad Size

6.85

7.00

7.15

Y Overall Size

6.55

6.95

Y Mold Cap Size

2.25

5.60

Y exposed Pad Size

0.30

0.50

Terminal Length

0.50 Basic

Terminal Pitch

0.18

0.30

Terminal Width

ccc

0.08

Coplanarity

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