RTL8305NB-CG

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RTL8305NB-CG

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Specifications

Attribute Value
Manufacturer Realtek Semicon
Package QFN-48-EP(6x6)
OperatingTemperature -55℃~+70℃
Voltage-Supply 3.3V
NumberofChannels 5
Interface I2C
Current-Supply 95mA

Overview

Description

The RTL8305NB-CG is an integrated circuit used primarily in network applications, produced by Realtek Semiconductor Corp. It is a 5-port 10/100 Mbps Ethernet switch controller, designed to facilitate high-speed data transfer between devices in a network. This controller is often used in consumer electronics, such as home routers or network switches, due to its cost-effectiveness and reliable performance.
Key features of the RTL8305NB-CG include support for full-duplex operations, efficient power management, and compatibility with various network standards. It implements advanced functions like quality of service (QoS), flow control, and VLAN support, ensuring optimal network traffic management and data prioritization.
The chip is designed to be energy-efficient, incorporating Realtek's Green Ethernet technology, which reduces power consumption during periods of low network activity. This makes the RTL8305NB-CG suitable for energy-conscious applications.
Overall, the RTL8305NB-CG offers a balance of performance, power efficiency, and functionality, making it an ideal choice for small to medium-sized network environments.

Equivalent

The RTL8305NB-CG is a 5-port 10/100 Ethernet switch controller. Equivalent products might include the Broadcom BCM5325E, Microchip KSZ8995, and Marvell 88E6060. These chips typically offer similar functionalities like multiple 10/100 Mbps Ethernet ports and switch management capabilities. Be sure to verify specific features like power consumption, package type, and additional functionalities to ensure compatibility with your application.

Features

The RTL8305NB-CG is a network switch controller from Realtek. It is designed for use in unmanaged Ethernet switches and provides several features to support efficient networking:
1. Port Configuration: Typically supports 5-port Fast Ethernet with both 10/100 Mbps speed per port.
2. VLAN Support: Offers VLAN capabilities for network segmentation, enhancing security and traffic management.
3. Auto MDI/MDIX: Automatically detects and corrects for straight-through or crossover cables, simplifying installation.
4. QoS (Quality of Service): Prioritizes network traffic to ensure important data passes smoothly, improving performance for critical applications.
5. Flow Control: Implements IEEE 802.3x flow control to manage network congestion, improving data transmission reliability.
6. Low Power Consumption: Designed with energy-efficient technology to reduce operational costs.
7. LED Indicators: Supports LED indicators for status monitoring of network activity and port status.
8. Integration: Offers easy integration into network devices due to its compact size and efficient design.
These features make the RTL8305NB-CG suitable for home networking devices, like routers and unmanaged switches, providing reliable and efficient network performance.

Pinout

The RTL8305NB-CG is a 5-port Fast Ethernet switch controller manufactured by Realtek. It typically comes in a 128-pin LQFP (Low Profile Quad Flat Package). The primary function of this IC is to manage Ethernet data transfer across five 10/100 Mbps ports, making it suitable for applications in home and small business networking devices like routers and switches. The RTL8305NB-CG supports various features, including auto MDI/MDIX crossover, flow control, and VLAN tagging, to ensure efficient and reliable network communication. It integrates MAC and PHY components for each port, simplifying the design and reducing the need for additional components.

Manufacturer

The RTL8305NB-CG is manufactured by Realtek Semiconductor Corporation. Realtek is a Taiwanese company known for designing and developing a wide range of integrated circuits, including network interface controllers, audio codecs, and other communication network ICs. Founded in 1987 and headquartered in Hsinchu Science Park, Taiwan, Realtek has established itself as a significant player in the semiconductor industry, providing solutions for computer peripherals, multimedia ICs, and wireless communications.
The company is particularly recognized for its network and audio solutions, which are widely used in consumer electronics such as laptops, motherboards, and networking equipment. Realtek is committed to delivering high-performance and cost-effective semiconductor products, and it continuously invests in research and development to innovate in the fields it serves. Their products are commonly found in devices from many major electronics brands worldwide, reflecting their strong presence and influence in the global market.

Application

The RTL8305NB-CG is a 5-port Fast Ethernet switch controller commonly used in networking applications. Its application areas include small office/home office (SOHO) networks, residential gateways, and networked consumer electronics that require efficient and cost-effective Ethernet connectivity. The chip supports essential networking features such as auto-negotiation, flow control, and VLAN tagging, making it suitable for embedded systems and devices that need reliable wired communications. Additionally, it can be used in network switches, routers, and other networking equipment where robust data transfer and management are essential.

Package

The RTL8305NB-CG is typically packaged in a 128-pin LQFP (Low-Profile Quad Flat Package).

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