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LAN8740A Datasheet, PDF (1/136 Pages) Microchip Technology – Small Footprint MII/RMII 10/100 Energy Efficient Ethernet Transceiver with HP Auto-MDIX and flexPWR® Technology | |||
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LAN8740A/LAN8740Ai
Small Footprint MII/RMII 10/100 Energy Efficient Ethernet
Transceiver with HP Auto-MDIX and flexPWR® Technology
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
(MII Mode)
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
(Refer to Microchip Application Note 17.18)
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)
ï£ 2013-2015 Microchip Technology Inc.
DS00001987A-page 1
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