Automotive USB Transceiver with Variable Voltage ULPI and Selectable Reference Frequency

SMSC USB83340

5

Revision 1.1 (05-05-10)

PRODUCT PREVIEW

Package Outline

The USB83340 is offered in a compact 32-pin lead-free QFN package.

Table 1 32 Terminal QFN Package Parameters

Notes:

1. All dimensions are in millimeters unless otherwise noted.

2. Dimension “b” applies to plated terminals and is measured between 0.15 and 0.30 mm from the

terminal tip.

3. The pin 1 identifier may vary, but is always located within the zone indicated.

MIN

NOMINAL

MAX

REMARKS

A

0.80

0.85

0.90

Overall Package Height

A1

0.00

0.01

0.05

Standoff

A2

0.60

0.65

0.70

Mold Thickness

D/E

4.90

5.00

5.10

X/Y Overall Size

D1/E1

4.65

4.75

4.85

X/Y Mold Cap Size

D2/E2

3.20

3.3

3.40

X/Y Exposed Pad Size

L

0.30

0.40

0.50

Terminal Length

e

0.50 BSC

Terminal Pitch

b

0.18

0.23

0.30

Terminal Width

k

0.25

-

-

Terminal to Exposed Pad Clearance