RTL8211FDI-CG

The RTL8211FDI-CG is a single-port Gigabit Ethernet PHY transceiver from Realtek, designed for 10/100/1000BASE-T applications. It supports IEEE 802.3az (Energy-Efficient Ethernet) and features auto-negotiation, auto-MDI/MDIX, and low power consumption.
Key features:
- MII/RMII/GMII/RGMII interfaces for flexible MAC connectivity.
- Advanced DSP & analog front-end for robust signal integrity.
- 25MHz crystal oscillator input or external clock support.
- 1.8V/2.5V/3.3V power supply options.
- Industrial temperature range (-40°C to 85°C).
Commonly used in routers, switches, IP cameras, and embedded systems, it integrates seamlessly with FPGAs, ASICs, or processors. The FDI-CG variant is a lead-free, RoHS-compliant QFN package.
For detailed specs, refer to the Realtek datasheet.

Equivalent products to the RTL8211FDI-CG (10/100/1000M Ethernet PHY) include:
- RTL8211FD-VD-CG (similar specs, different package)
- RTL8211E-VB-CG (older variant)
- KSZ9031RNX (from Microchip)
- DP83867IR (from Texas Instruments)
- AR8035 (from Qualcomm/Atheros)
These alternatives offer comparable Gigabit Ethernet PHY functionality. Verify pin compatibility and features for your design.

The RTL8211FDI-CG is a single-port Gigabit Ethernet PHY transceiver with the following key features:
- Interface: Supports RGMII, RMII, and MII.
- Speed: 10/100/1000 Mbps auto-negotiation.
- Power: Low power consumption with advanced energy-efficient Ethernet (EEE).
- Cable Diagnostics: Built-in cable diagnostic function.
- Package: 48-pin QFN (6x6 mm).
- Compliance: IEEE 802.3az (EEE), 802.3u (Fast Ethernet), and 802.3ab (Gigabit Ethernet).
- Temperature Range: Industrial-grade (-40°C to +85°C).
- Applications: Used in routers, switches, IP cameras, and embedded systems.
It integrates DSP and analog front-end (AFE) for reliable performance and supports auto-MDI/MDIX for easy cable connection.

The RTL8211FDI-CG is a 48-pin Gigabit Ethernet PHY transceiver with the following key functions:
- MII/RMII/GMII/RGMII interfaces for MAC connectivity.
- Supports 10/100/1000 Mbps speeds with auto-negotiation.
- IEEE 802.3az (Energy-Efficient Ethernet) compliance.
- HP Auto-MDIX for automatic cable polarity detection.
- Integrated termination resistors for reduced BOM cost.
- 3.3V/1.8V/1.2V power supply options.
The 48-pin QFN package includes pins for data interfaces, clock signals, LED indicators, and power management.

The RTL8211FDI-CG is manufactured by Realtek Semiconductor Corp., a Taiwanese company specializing in networking and multimedia ICs. Realtek is a leading fabless semiconductor company, known for products like Ethernet controllers, Wi-Fi chips, and audio codecs. The RTL8211FDI-CG is a Gigabit Ethernet PHY transceiver, commonly used in networking equipment. Realtek serves consumer, industrial, and enterprise markets globally.

The RTL8211FDI-CG is a Gigabit Ethernet PHY transceiver commonly used in:
1. Networking Equipment – Switches, routers, and gateways.
2. Industrial Systems – Factory automation, control systems.
3. Consumer Electronics – Smart TVs, set-top boxes, gaming consoles.
4. Embedded Systems – IoT devices, single-board computers.
5. Telecom Infrastructure – Fiber modems, media converters.
It supports 10/100/1000 Mbps speeds, integrates energy-efficient features, and operates in extended temperature ranges, making it suitable for diverse applications.

The RTL8211FDI-CG is a Gigabit Ethernet PHY transceiver from Realtek, packaged in a 48-pin QFN (Quad Flat No-lead). It features a compact 6x6mm footprint with an exposed thermal pad for heat dissipation. The QFN package is lead-free and RoHS-compliant, suitable for high-speed networking applications.