USB3740B Datasheet, PDF (5/19 Pages) Microchip Technology – High Speed USB 2.0 Switch with ESD Protection

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.
FIGURE 2-1:
USB3740B PACKAGE DIAGRAM
OE_N 3
S4
VDD 5
10 DP
9 DM
8 GND
2.2 Ball/Pin Definitions
The following table details the ball/pin definitions for the package diagram above.
Pin
Name
Type/
Direction
Description
10
DP
Analog
USB Mux Output
9
DM
Analog
2
DP_1
Analog
USB Mux Input 1
1
DM_1
Analog
6
DP_2
Analog
USB Mux Input 2
7
DM_2
Analog
8
GND
Analog
Ground
5
VDD
Analog
Power
4
S
Digital Input Switch control. Refer to Table 4-1.
3
OE_N
Digital Input Active low switch Output Enable. Refer to Table 4-1.
 2011 - 2015 Microchip Technology Inc.
DS00001725D-page 5