The LXT901ALC is a single-channel Ethernet transceiver manufactured by Level One (now Intel). This device is designed to transmit and receive data over Ethernet networks, complying with the IEEE 802.3 standards for 10BASE-T and 100BASE-TX. It integrates the physical layer functions required for network communication, including encoding, decoding, filtering, and media access control (MAC) interface.

Applications

• Network Interface Cards (NICs): Provides the physical layer interface for Ethernet connectivity.
• Embedded Systems: Used in industrial control systems and other embedded devices requiring network communication.
• Routers and Switches: Integrates into network infrastructure equipment to enable Ethernet connectivity.
• Printers and Scanners: Facilitates network printing and scanning functionalities.
• IP Phones: Enables voice communication over IP networks.

Features

• 10/100 Mbps Operation: Supports both 10BASE-T and 100BASE-TX Ethernet standards.
• Integrated Filtering: Reduces noise and interference for reliable data transmission.
• Auto-Negotiation: Automatically detects and configures the optimal communication speed and duplex mode.
• MII/RMII Interface: Provides a standard interface for connecting to MAC controllers.
• Low Power Consumption: Minimizes energy usage for efficient operation.

Benefits

• Seamless Network Connectivity: Enables reliable data communication over Ethernet networks.
• Simplified System Design: Integrates all necessary physical layer functions into a single chip.
• Reduced BOM Cost: Eliminates the need for external filtering components.
• Improved System Performance: Auto-negotiation ensures optimal communication parameters.
• Energy Efficient: Low power consumption contributes to longer battery life in portable devices.

Technical Specifications

The LXT901ALC supports both 10BASE-T and 100BASE-TX Ethernet standards. It operates with a supply voltage of 3.3V or 5V. It features an MII/RMII interface for connecting to MAC controllers. The device is available in a surface-mount package, such as a QFP or LQFP. Further details regarding power consumption, operating temperature range, and interface timing can be found in the Intel/Level One datasheet.