LAN8720/LAN8720i
Small Footprint RMII 10/100
Ethernet Transceiver with HP
Auto-MDIX Support
PRODUCT FEATURES
Highlights
Single-Chip Ethernet Physical Layer Transceiver
(PHY)
Comprehensive flexPWR
®
Technology
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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
Datasheet
Key Benefits
High-Performance 10/100 Ethernet Transceiver
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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
HP Auto-MDIX support
Miniature 24 pin QFN lead-free RoHS compliant
package (4 x 4 x 0.85mm height).
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
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
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
Revision 1.0 (05-28-09)
DATASHEET
SMSC [ SMSC CORPORATION ]
