USB3740 High Speed Switch for Mobile and Portable Applications Datasheet PRODUCT FEATURES High Speed USB Mux for multiplexing the USB lanes Control inputs accommodate 1.8V to 5V inputs between different functions DP/DM tolerate up to 5.5V Switch the USB connector between two different Industrial Operating Temperature -40C to +85C functions 10 pin, QFN lead-free RoHS compliant package Up to 1GHz Bandwidth (1.3mm x 1.8mm x 0.55mm height, 0.4mm pitch) USB Port ESD Protection (DP/DM) 10 pin, QFN lead-free RoHS compliant package 15kV (air discharge) 15kV (contact discharge) (1.6mm x 2.1mm x 0.55mm height, 0.5mm pitch) IEC 61000-4-2 level 4 ESD protection without external devices TM flexPWR Technology 30nA Active/Standby Current Extremely low power design ideal for battery powered applications USB3740 Block Diagram USB3740 USB 2.0 PHY, DP 2 DPDP Processor, or Accessory DM 2 DMDM DP HS USB DM Switch DP 1 DP USB 2.0 PHY, DM 1 DM Processor, or Accessory VDD VDD OE N GND Processor S SMSC USB3740B Revision 1.2 (07-30-12) DATASHEET USB Connector ESD Protection ESD ProtectionHigh Speed Switch for Mobile and Portable Applications Datasheet Ordering Information: USB3740B-AI2-TR for 10-pin, 1.3mm x 1.8mm QFN lead-free RoHS compliant package USB3740B-AI9TR for 10-pin, 1.6mm x 2.1mm QFN lead-free RoHS compliant package This product meets the halogen maximum concentration values per IEC61249-2-21 For RoHS compliance and environmental information, please visit www.smsc.com/rohs Please contact your SMSC sales representative for additional documentation related to this product such as application notes, anomaly sheets, and design guidelines. Copyright 2012 SMSC or its subsidiaries. All rights reserved. Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete information sufficient for construction purposes is not necessarily given. Although the information has been checked and is believed to be accurate, no responsibility is assumed for inaccuracies. SMSC reserves the right to make changes to specifications and product descriptions at any time without notice. Contact your local SMSC sales office to obtain the latest specifications before placing your product order. The provision of this information does not convey to the purchaser of the described semiconductor devices any licenses under any patent rights or other intellectual property rights of SMSC or others. All sales are expressly conditional on your agreement to the terms and conditions of the most recently dated version of SMSC s standard Terms of Sale Agreement dated before the date of your order (theTerms of Sale Agreemen). The product may contain design defects or errors known as anomalies which may cause the product s functions to deviate from published specifications. Anomaly sheets are available upon request. SMSC products are not designed, intended, authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe property damage. Any and all such uses without prior written approval of an Officer of SMSC and further testing and/or modification will be fully at the risk of the customer. Copies of this document or other SMSC literature, as well as the Terms of Sale Agreement, may be obtained by visiting SMSCs website at