LAN8740A-EN Microchip

LAN8740A/LAN8740Ai Small Footprint MII/RMII 10/100 Energy Efficient Ethernet Transceiver with HP Auto-MDIX and flexPWR Technology Highlights Key Benefits Single-Chip Ethernet Physical Layer Transceiver High-performance 10/100 Ethernet transceiver (PHY) - Compliant with IEEE802.3/802.3u (Fast Ethernet) Compliant with Energy Efficient Ethernet 802.3az - Compliant with ISO 802-3/IEEE 802.3 (10BASE-T) Cable diagnostic support - Compliant with Energy Efficient Ethernet IEEE Wake on LAN (WoL) support 802.3az Comprehensive flexPWR technology - Loop-back modes - Flexible power management architecture - Auto-negotiation - LVCMOS Variable I/O voltage range: +1.8 V to - Automatic polarity detection and correction +3.3 V - Link status change wake-up detection - Integrated 1.2 V regulator with disable feature - Vendor specific register functions HP Auto-MDIX support - Supports both MII and the reduced pin count RMII interfaces Small footprint 32-pin VQFN, RoHS-compliant package (5 x 5 x 0.9 mm height) Power and I/Os Deterministic 100 Mb internal loopback latency - Various low power modes (MII Mode) - Integrated power-on reset circuit - Two status LED outputs Target Applications - May be used with a single 3.3 V supply Set-Top Boxes Additional Features Networked Printers and Servers - Ability to use a low cost 25 MHz crystal for Test Instrumentation reduced BOM LAN on Motherboard Packaging Embedded Telecom Applications - 32-pin VQFN (5 x 5 mm), RoHS-compliant Video Record/Playback Systems package with MII and RMII Cable Modems/Routers Environmental DSL Modems/Routers - Commercial temperature range (0C to +70C) Digital Video Recorders - Industrial temperature range (-40C to +85C) IP and Video Phones Wireless Access Points Digital Televisions Digital Media Adapters/Servers Gaming Consoles POE Applications (Refer to Microchip Application Note 17.18) 2013-2015 Microchip Technology Inc. DS00001987A-page 1LAN8740A/LAN8740Ai TO OUR VALUED CUSTOMERS It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and enhanced as new volumes and updates are introduced. If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via E-mail at docerrors microchip.com. We welcome your feedback. Most Current Data Sheet To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at: