LAN8720/LAN8720i

Small Footprint RMII 10/100

Ethernet Transceiver with HP

Auto-MDIX Support

PRODUCT FEATURES

Datasheet

Highlights

„Single-Chip Ethernet Physical Layer Transceiver (PHY)

„Comprehensive flexPWR® Technology

—Flexible Power Management Architecture

—Power savings of up to 40% compared to competition

—LVCMOS Variable I/O voltage range: +1.6V to +3.6V

—Integrated 1.2V regulator

„HP Auto-MDIX support

„Miniature 24 pin QFN lead-free RoHS compliant package (4 x 4 x 0.85mm height).

Target Applications

„Set-Top Boxes

„Networked Printers and Servers

„Test Instrumentation

„LAN on Motherboard

„Embedded Telecom Applications

„Video Record/Playback Systems

„Cable Modems/Routers

„DSL Modems/Routers

„Digital Video Recorders

„IP and Video Phones

„Wireless Access Points

„Digital Televisions

„Digital Media Adaptors/Servers

„Gaming Consoles

„POE Applications

Key Benefits

„High-Performance 10/100 Ethernet Transceiver

—Compliant with IEEE802.3/802.3u (Fast Ethernet)

—Compliant with ISO 802-3/IEEE 802.3 (10BASE-T)

—Loop-back modes

—Auto-negotiation

—Automatic polarity detection and correction

—Link status change wake-up detection

—Vendor specific register functions

„Power and I/Os

—Various low power modes

—Integrated power-on reset circuit

—Two status LED outputs

—Latch-Up Performance Exceeds 150mA per EIA/JESD 78, Class II

—May be used with a single 3.3V supply

„Advanced Features

—Able to use a low cost 25Mhz crystal for the lowest eBOM

„Packaging

—24-pin QFN (4x4 mm) Lead-Free RoHS Compliant package with RMII

„Environmental

—Extended Commercial Temperature Range (0°C to +85°C)

—Industrial Temperature Range (-40°C to +85°C) version available (LAN8720i)

SMSC LAN8720/LAN8720i

DATASHEET

Revision 1.0 (05-28-09)