LAN8720A/LAN8720Ai Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support Datasheet PRODUCT FEATURES Highlights Key Benefits Single-Chip Ethernet Physical Layer Transceiver High-Performance 10/100 Ethernet Transceiver Compliant with IEEE802.3/802.3u (Fast Ethernet) (PHY) Compliant with ISO 802-3/IEEE 802.3 (10BASE-T) Comprehensive flexPWR Technology Loop-back modes Flexible Power Management Architecture Auto-negotiation LVCMOS Variable I/O voltage range: +1.6V to +3.6V Automatic polarity detection and correction Integrated 1.2V regulator Link status change wake-up detection HP Auto-MDIX support Vendor specific register functions Miniature 24-pin QFN lead-free RoHS compliant Supports the reduced pin count RMII interface package (4 x 4 x 0.85mm height). Power and I/Os Various low power modes Integrated power-on reset circuit Target Applications Two status LED outputs Latch-Up Performance Exceeds 150mA per EIA/JESD Set-Top Boxes 78, Class II May be used with a single 3.3V supply Networked Printers and Servers Additional Features Test Instrumentation Ability to use a low cost 25Mhz crystal for reduced BOM LAN on Motherboard Packaging Embedded Telecom Applications 24-pin QFN (4x4 mm) Lead-Free RoHS Compliant Video Record/Playback Systems package with RMII Cable Modems/Routers Environmental Extended commercial temperature range DSL Modems/Routers (0C to +85C) Digital Video Recorders Industrial temperature range version available IP and Video Phones (-40C to +85C) Wireless Access Points Digital Televisions Digital Media Adaptors/Servers Gaming Consoles POE Applications (Refer to SMSC Application Note 17.18) SMSC LAN8720A/LAN8720Ai Revision 1.4 (08-23-12) DATASHEETSmall Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support Datasheet Order Numbers: LAN8720A-CP-TR for 24-pin QFN lead-free RoHS compliant package (0 to +85C temp) LAN8720Ai-CP-TR for 24-pin QFN lead-free RoHS compliant package (-40 to +85C temp) Reel size is 4,000. 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