2011 - 2015 Microchip Technology Inc. DS00001725D-page 1
Features
High Speed USB Mux for multiplexing the USB
lanes between different functions
- Switch the USB connector between two dif-
ferent functions
- Up to 1GHz Bandwidth
USB Port ESD Protection (DP/DM)
- 8kV HBM
•flexPWR
TM
Technology
- 30nA Active/Standby Current
- Extremely low power design ideal for battery
powered applications
Control inputs accommodate 1.8V to 5V inputs
DP/DM tolerate up to 5.5V
-40°C to +85°C Operating Temperature
10-pin, QFN, RoHS compliant package;
(1.3mm x 1.8mm x 0.55mm height, 0.4mm pitch)
10-pin, QFN, RoHS compliant package;
(1.6mm x 2.1mm x 0.55mm height, 0.5mm pitch)
Automotive option
Block Diagram
OE_N
S
DP
DM
ESD Protection
HS USB
Switch
DM_2
DP_2
USB Connector
USB 2.0 PHY,
Processor, or
Accessory
Processor
GND
DM_1
DP_1
USB 2.0 PHY,
Processor, or
Accessory
DP
DM
DP
DM
DP
DM
USB3740B
VDD
VDD
ESD Protection
USB3740B
High Speed USB 2.0 Switch with ESD Protection
and Low Standby Current
USB3740B
DS00001725D-page 2 2011 - 2015 Microchip Technology Inc.
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2011 - 2015 Microchip Technology Inc. DS00001725D-page 3
USB3740B
Table of Contents
1.0 General Description ........................................................................................................................................................................ 4
2.0 Pin Layout ....................................................................................................................................................................................... 5
3.0 Electrical Specifications .................................................................................................................................................................. 6
4.0 General Operation .......................................................................................................................................................................... 7
5.0 Application Notes ............................................................................................................................................................................ 8
6.0 Package Outlines ............................................................................................................................................................................ 9
The Microchip Web Site ...................................................................................................................................................................... 16
Customer Change Notification Service ............................................................................................................................................... 16
Customer Support ............................................................................................................................................................................... 16
Product Identification System ............................................................................................................................................................. 17

USB3740B-AI9-TR

Mfr. #:
Manufacturer:
Microchip Technology
Description:
USB Switch ICs USB 2.0 SWITCH
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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