LAN8740AIE semiconductor chips Ethernet ICs Small Footprint
MII/RMII Energy Efficient Ethernet Transceiver LAN8740AI-EN
Highlights
• Single-Chip Ethernet Physical Layer Transceiver (PHY)
• Compliant with Energy Efficient Ethernet 802.3az
• Cable diagnostic support • Wake on LAN (WoL) support
• Comprehensive flexPWR technology
- Flexible power management architecture
- LVCMOS Variable I/O voltage range: +1.8 V to +3.3 V
- Integrated 1.2 V regulator with disable feature
• HP Auto-MDIX support • Small footprint 32-pin VQFN,
RoHS-compliant package (5 x 5 x 0.9 mm height)
• Deterministic 100 Mb internal loopback latency
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 Adapters/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)
- Compliant with Energy Efficient Ethernet IEEE 802.3az
- Loop-back modes - Auto-negotiation
- Automatic polarity detection and correction
- Link status change wake-up detection
- Vendor specific register functions
- Supports both MII and the reduced pin count RMII interfaces
• Power and I/Os
- Various low power modes
- Integrated power-on reset circuit
- Two status LED outputs
- May be used with a single 3.3 V supply
• Additional Features
- Ability to use a low cost 25 MHz crystal for reduced BOM
• Packaging - 32-pin VQFN (5 x 5 mm), RoHS
-compliant package with MII and RMII
• Environmental - Commercial temperature range (0°C to +70°C)
- Industrial temperature range (-40°C to +85°C)
