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DS00001725D-page 5

USB3740B

2.0

PIN LAYOUT

2.1

Pin Diagram

The USB3740B is available in both a 0.4mm pitch QFN (1.3mm x 1.8mm x 0.55mm height) and 0.5mm pitch QFN

(1.6mm x 2.1mm x 0.55mm height) package. The 0.5mm pitch package can be ordered in standard or automotive con-

figurations. For additional ordering information, refer to the Product Identification System section.

2.2

Ball/Pin Definitions

The following table details the ball/pin definitions for the package diagram above.

FIGURE 2-1:

USB3740B PACKAGE DIAGRAM

Pin

Name

Type/

Direction

Description

10

DP

Analog

USB Mux Output

9DM

Analog

2DP_1

Analog

USB Mux Input 1

1DM_1

Analog

6DP_2

Analog

USB Mux Input 2

7DM_2

Analog

8GND

Analog

Ground

5VDD

Analog

Power

4S

Digital Input

Switch control. Refer to Table 4-1.

3OE_N

Digital Input

Active low switch Output Enable. Refer to Table 4-1.

S

OE_N

DP

GND

VDD

3

4

5

10

9

8

DM