RTL8370N-VB-CG

The RTL8370N-VB-CG is a highly integrated 8-port 10/100/1000M Ethernet switch controller developed by Realtek. It supports IEEE 802.3az Energy-Efficient Ethernet (EEE) and features auto-negotiation, QoS prioritization, VLAN support, and robust security functions like port-based and MAC-based ACLs.
Key features:
- 8 GbE ports with auto MDI/MDIX
- 4K VLANs, 802.1Q tagging
- IGMP snooping for multicast optimization
- Port mirroring, storm control, and loop detection
- Low power consumption with EEE support
Ideal for SMB switches, industrial Ethernet, and smart home gateways, it offers a cost-effective, high-performance solution with easy integration.
For detailed specs, refer to Realtek’s datasheet.

The RTL8370N-VB-CG is a highly integrated 8-port 10/100Mbps Ethernet switch controller with the following key features:
- 8-Port 10/100Mbps Switch: Supports auto-negotiation and auto-MDI/MDIX.
- IEEE 802.3az Energy-Efficient Ethernet (EEE): Reduces power consumption.
- Advanced QoS: Supports 4 priority queues, VLAN tagging, and traffic classification.
- Security Features: Port-based and MAC-based ACLs, storm control, and IEEE 802.1X authentication.
- Management Options: MII/RMII/MIIM interfaces for external PHY or CPU control.
- Low Power Consumption: Optimized for energy efficiency.
- Industrial-Grade: Operates in extended temperature ranges (-40°C to +85°C).
- Compact Package: 48-pin LQFP for space-constrained designs.
Ideal for industrial, SMB, and IoT networking applications.

The RTL8370N-VB-CG is a 48-pin 8-port 10/100/1000M Ethernet switch controller IC. Key functions include:
- 8-port Gigabit Ethernet switching with auto-negotiation.
- Supports IEEE 802.1Q VLAN and QoS (Quality of Service).
- Integrated MAC/PHY for each port.
- SPI (Serial Peripheral Interface) for configuration.
- Energy-Efficient Ethernet (EEE) compliance.
- Port Mirroring, Storm Control, and Loop Detection.
The IC operates on 3.3V power and is housed in a QFN-48 package. It is commonly used in managed/unmanaged switches and industrial networking applications.

The RTL8370N-VB-CG is manufactured by Realtek Semiconductor Corp., a Taiwanese company specializing in networking, audio, and multimedia ICs. Realtek is a leading fabless semiconductor company known for its cost-effective, high-performance chips used in Ethernet switches, Wi-Fi, Bluetooth, and audio solutions. The RTL8370N-VB-CG is a managed Ethernet switch controller, commonly used in networking equipment like smart switches and industrial applications. Realtek serves consumer, enterprise, and embedded markets globally.

The RTL8370N-VB-CG is a 8-port 10/100/1000M Ethernet switch IC, widely used in:
1. Enterprise Networks – For small office switches.
2. Industrial Ethernet – Ruggedized networking in automation.
3. IP Surveillance – Connecting multiple cameras/NVRs.
4. Smart Home/IoT – Managing connected devices.
5. Embedded Systems – Network expansion in routers/gateways.
It supports QoS, VLAN, and energy-efficient Ethernet (EEE), making it versatile for cost-effective, high-performance switching.

The RTL8370N-VB-CG is a 48-port Gigabit Ethernet switch IC from Realtek, packaged in a 128-pin LQFP (Low-Profile Quad Flat Package). This surface-mount package is compact and suitable for high-density PCB designs, offering reliable performance for networking applications. The "VB-CG" suffix indicates specific variants or revisions.