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The LAN8720AI-CP is a low-power 10BASE-T/100BASE-TX Physical Layer (PHY) transceiver with variable I/O voltage that complies with the IEEE 802.3-2005 standard.The LAN8720AI-CP supports communication with Ethernet MACs through a standard RMII interface. It includes a full-duplex 10-BASE-T/100BASE-TX transceiver that supports 10Mbps (10BASE-T) and 100Mbps (100BASE-TX) operation.The LAN8720AI-CP implements an auto-negotiation feature that automatically determines the optimal speed and duplex mode of operation.HP Auto-MDIX support allows the use of either direct connect or crossover LAN cables. direct connect or crossover LAN cables.

The LAN8720AI-CP supports IEEE 802.3-2005 compliant and vendor-specific register functions. However, no access to the registers is required for operation. Initial configuration is selectable via the configuration pins described in Section 3.7, ‘Configuration Pins’ on page 26. Register-selectable configuration options are available to further define the transceiver's functionality. According to the IEEE 802.3-2005 standard, all digital interface pins have a withstand voltage of 3.6 V. Using the integrated 3.3V to 1.2V linear regulator, the device can be configured to operate on a single 3.3V supply. The linear regulator can be optionally disabled to reduce system power consumption using a highly efficient external regulator.

LAN8720AI-CP Product Attributes

Product Category: Ethernet ICs

Mounting Style: SMD/SMT

Package / Case: QFN-24

Product: Ethernet Transceiver

Standard: 10BASE-T, 100BASE-TX

Number of Transceivers: 1 Transceiver

Data Rate: 10 Mb/s, 100 Mb/s

Interface Type: MDI-X, RMII

Supply Voltage - Min: 1.14 V

Supply voltage - max: 1.26 V

Minimum operating temperature: - 40 C

Maximum operating temperature: + 85 C

Series: LAN8720

Target Applications

- Set-top boxes

- Networked printers and servers

- Test instruments

- LAN on motherboards

- Embedded telecoms applications

- Video recording/playback systems

- Cable modems/routers

- DSL Modems/Routers

- Digital Video Recorders

- IP and Video Telephony

- Wireless Access Points

- Digital TV

- Digital media adapters/servers

- Game consoles

- POE Applications

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