RTL8211F-CG – Integrated Ethernet Transceiver Interface IC QFN-40

Resources:Datasheet
Gigabit Ethernet PHY Transceiver IC with RGMII Interface and Energy Efficient Ethernet for High-Speed Networking (QFN-40)
The RTL8211F-CG is a high-performance Gigabit Ethernet PHY transceiver IC designed to deliver reliable 10/100/1000 Mbps network connectivity in embedded and industrial systems. It supports RGMII interface for seamless integration with modern microprocessors, SoCs, and network controllers, enabling high-speed data communication across Ethernet networks. With compliance to IEEE 802.3 standards, the device ensures stable and interoperable performance across a wide range of networking applications.
This transceiver features advanced capabilities such as Energy Efficient Ethernet (IEEE 802.3az), Wake-on-LAN (WOL), and automatic crossover detection, improving power efficiency and simplifying network design. It supports extended cable reach up to 120 meters for Gigabit Ethernet and includes built-in voltage regulation and clock generation, reducing external component requirements. With ultra-low power consumption and industrial-grade reliability, the RTL8211F-CG is ideal for applications such as industrial automation, networking equipment, and embedded Ethernet systems.
Key Features

Gigabit Ethernet Support: 10/100/1000Base-T compliant (IEEE 802.3 standards)
RGMII Interface: High-speed interface for modern processors and SoCs
Energy Efficient Ethernet: IEEE 802.3az for reduced power consumption
Auto MDI/MDIX & Crossover Detection: Simplifies cabling and installation
Wake-on-LAN (WOL): Enables remote system wake-up capability
Integrated Clock Generation: Provides 125 MHz clock output for MAC
Built-in Voltage Regulator: Reduces external power components
Extended Cable Reach: Supports up to 120 m CAT5 cable for Gigabit Ethernet
Automatic Polarity Correction: Ensures reliable link establishment
Multiple Voltage Support: RGMII I/O supports 3.3V / 2.5V / 1.8V / 1.5V
Low Power Design: 55 nm process with energy-efficient operation
Compact Package: QFN-40 for high-density PCB layouts