RTL8372N-CG

The RTL8372N-CG is a highly integrated, low-power 8-port Gigabit Ethernet switch controller from Realtek. It supports 10/100/1000Mbps speeds and features non-blocking wire-speed performance with advanced QoS, VLAN, and security functions.
Key features:
- 8-port Gigabit switch with auto-negotiation
- Supports IEEE 802.1Q VLAN and QoS prioritization
- Energy-Efficient Ethernet (EEE) for reduced power consumption
- Spanning Tree Protocol (STP/RSTP/MSTP) support
- ACL (Access Control List) for security filtering
- Jumbo frame support (up to 12KB)
Applications include SMB switches, industrial networking, and smart home gateways. The RTL8372N-CG is designed for cost-effective, high-performance Ethernet switching with minimal external components.
For detailed specs, refer to Realtek’s datasheet.

The RTL8372N-CG is a 8-port 10/100/1000M Ethernet switch IC. Equivalent alternatives include:
- Realtek RTL8370N-CG: Similar 8-port Gigabit switch with fewer features.
- Microchip KSZ9897: 7-port Gigabit switch with advanced QoS.
- Broadcom BCM53125: 8-port Gigabit switch with higher performance.
- Marvell (now NXP) 88E6352: 7-port Gigabit switch with more Layer 2 features.
Check datasheets for exact compatibility, as features vary.

The RTL8372N-CG is a highly integrated 8-port 10/100/1000M Ethernet switch controller with the following key features:
- 8-Port Gigabit Switch: Supports 10/100/1000BASE-T PHYs with auto-negotiation.
- High Performance: Non-blocking switching at 16Gbps.
- Advanced QoS: Supports 4 priority queues, WRR/SP scheduling, and 802.1p/DSCP.
- VLAN Support: Port-based, 802.1Q VLAN, and private VLAN.
- Security: Storm control, port isolation, and MAC address filtering.
- Energy Efficiency: Complies with IEEE 802.3az (Energy-Efficient Ethernet).
- Management: MII/RMII/MDI-X support, optional MIB counters.
- Package: 128-pin LQFP.
Ideal for SMB switches, IP cameras, and industrial networking.

The RTL8372N-CG is a 128-pin LQFP (Low-Profile Quad Flat Package) IC, functioning as a 2-port Gigabit Ethernet switch controller. Key features include:
- 2x Gigabit Ethernet ports (10/100/1000Mbps)
- Integrated PHYs (Physical Layer transceivers)
- Support for VLAN, QoS, and IGMP snooping
- SPI or I²C interface for configuration
- Energy-Efficient Ethernet (EEE) compliance
It is commonly used in smart home gateways, IP cameras, and industrial networking applications. The pinout includes power, ground, Ethernet PHY interfaces, management interfaces, and LED indicators.

The RTL8372N-CG is manufactured by Realtek Semiconductor Corp., a Taiwanese company specializing in networking and multimedia ICs. Realtek is known for producing cost-effective, high-performance chips for Ethernet switches, Wi-Fi, audio codecs, and other consumer electronics. The RTL8372N-CG is a 2-port Gigabit Ethernet switch controller, commonly used in networking devices.
Realtek, founded in 1987, is a major player in the semiconductor industry, supplying components to global brands. It focuses on innovation and mass-market solutions, making it a key supplier for mid-range networking and consumer hardware.

The RTL8372N-CG is a 2-port Gigabit Ethernet switch IC commonly used in:
1. Industrial Networking – Rugged, reliable connectivity for automation and control systems.
2. IP Cameras & Surveillance – Supports PoE (Power over Ethernet) for security devices.
3. Smart Home/IoT Gateways – Manages multiple connected devices efficiently.
4. Enterprise Switches – Provides cost-effective, low-power switching for small networks.
5. Embedded Systems – Integrates into routers, NAS, and other network appliances.
Its features include VLAN, QoS, and energy-efficient Ethernet (EEE), making it versatile for compact, high-performance networking solutions.

The RTL8372N-CG is a 24+2 port 10/100/1000M Ethernet switch controller from Realtek. It comes in a 128-pin LQFP (Low-profile Quad Flat Package). This package type is compact, surface-mounted, and suitable for high-density PCB designs, offering reliable performance for networking applications.