RTL8211FSI-VS-CG

The RTL8211FSI-VS-CG is a single-port Gigabit Ethernet PHY transceiver from Realtek, designed for high-speed networking applications. It supports 10/100/1000 Mbps operation with auto-negotiation and auto-MDI/MDIX for simplified cabling.
Key features:
- IEEE 802.3az (Energy-Efficient Ethernet) compliance for reduced power consumption.
- RGMII (Reduced Gigabit Media Independent Interface) support for flexible MAC connectivity.
- Integrated termination resistors for reduced BOM cost.
- Industrial-grade temperature range (-40°C to 85°C) for robust performance.
Commonly used in switches, routers, industrial systems, and embedded networking devices, it provides reliable wired Ethernet connectivity with low power and high integration.
For detailed specs, refer to the datasheet from Realtek.

Equivalent products to the RTL8211FSI-VS-CG (10/100M Ethernet PHY) include:
- RTL8211F-VS-CG (similar specs, different package)
- RTL8201F-VD-CG (lower-cost alternative)
- DP83848J (TI equivalent)
- LAN8720A (Microchip alternative)
- KSZ8081RNA (Microchip/Micrel alternative)
Check pinout, voltage, and features for compatibility. Always verify with datasheets.

The RTL8211FSI-VS-CG is a single-port Gigabit Ethernet PHY transceiver with the following key features:
- Interface: Supports RGMII, MII, and RMII.
- Speed: 10/100/1000 Mbps auto-negotiation.
- Power: Low power consumption with advanced power-saving modes.
- Package: 48-pin QFN (6x6 mm).
- Compliance: IEEE 802.3az (Energy-Efficient Ethernet).
- Temperature Range: Industrial-grade (-40°C to +85°C).
- Cable Diagnostics: Supports cable length detection.
- Applications: Used in routers, switches, and embedded systems.
It integrates DSP and analog front-end for reliable performance.

The RTL8211FSI-VS-CG is a 48-pin Gigabit Ethernet PHY transceiver from Realtek. Key functions include:
- 10/100/1000BASE-T support with auto-negotiation.
- MII/RMII/GMII/RGMII interfaces for MAC connectivity.
- IEEE 802.3az (Energy-Efficient Ethernet) compliance.
- HP Auto-MDIX for automatic cable polarity detection.
- Integrated termination resistors for reduced BOM cost.
Packaged in a 48-pin QFN (6x6mm), it is commonly used in routers, switches, and embedded systems.

The RTL8211FSI-VS-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 producing cost-effective chips for Ethernet controllers, Wi-Fi, audio codecs, and other connectivity solutions. Their products are widely used in consumer electronics, PCs, and networking equipment.
The RTL8211FSI-VS-CG is a Gigabit Ethernet PHY transceiver, commonly integrated into routers, switches, and embedded systems. Realtek's reputation is built on reliable, high-performance chips at competitive prices.

The RTL8211FSI-VS-CG is a 48-pin QFN (Quad Flat No-lead) package. It measures 6x6 mm with a 0.5 mm pin pitch. This compact, surface-mount design is commonly used for Ethernet PHY transceivers, offering good thermal and electrical performance. The "CG" suffix typically indicates RoHS compliance and specific manufacturing revisions.