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LAN8720 Datasheet, PDF (1/79 Pages) SMSC Corporation – Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support | |||
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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
â Flexible Power Management Architecture
â Power savings of up to 40% compared to competition
â LVCMOS Variable I/O voltage range: +1.6V to +3.6V
â 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
Datasheet
Key Benefits
 High-Performance 10/100 Ethernet Transceiver
â Compliant with IEEE802.3/802.3u (Fast Ethernet)
â Compliant with ISO 802-3/IEEE 802.3 (10BASE-T)
â Loop-back modes
â Auto-negotiation
â Automatic polarity detection and correction
â Link status change wake-up detection
â Vendor specific register functions
 Power and I/Os
â Various low power modes
â Integrated power-on reset circuit
â Two status LED outputs
â Latch-Up Performance Exceeds 150mA per EIA/JESD
78, Class II
â May be used with a single 3.3V supply
 Advanced Features
â Able to use a low cost 25Mhz crystal for the lowest
eBOM
 Packaging
â 24-pin QFN (4x4 mm) Lead-Free RoHS Compliant
package with RMII
 Environmental
â Extended Commercial Temperature Range (0°C to
+85°C)
â Industrial Temperature Range (-40°C to +85°C) version
available (LAN8720i)
SMSC LAN8720/LAN8720i
DATASHEET
Revision 1.0 (05-28-09)
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