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RTL8305NB-CG

Name: RTL8305NB-CG
Rating: 4.7 (12 reviews)

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Mfr。パート #RTL8305NB-CG
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データシート RTL8305NB-CG DataSheet
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仕様

Manufacturer	Realtek Semicon
Package	QFN-48-EP(6x6)
Operating Temperature	-55℃~+70℃
Voltage - Supply	3.3V
Number of Channels	5
Interface	I2C
Current - Supply	95mA

概要

Description

The RTL8305NB-CG is a highly integrated Ethernet switch IC designed by Realtek Semiconductor. It is commonly used in network devices such as routers, switches, and home networking equipment. This switch supports up to 5 ports with 10/100 Mbps Ethernet capabilities, making it suitable for small to medium-sized networks.
Key features include support for store-and-forward switching, full-duplex operation, and IEEE 802.1Q VLAN tagging, enhancing network performance and security. The RTL8305NB-CG also incorporates features like auto-negotiation and MDI/MDI-X support for easy connectivity.
Designed with low power consumption in mind, it facilitates energy-efficient network operations. Its built-in diagnostic capabilities allow for effective monitoring and troubleshooting, ensuring reliable network performance.
Overall, the RTL8305NB-CG is a versatile solution for a variety of networking applications, providing a balance of performance, efficiency, and cost-effectiveness.

Features

The RTL8305NB-CG is a versatile Ethernet switch chip commonly used in networking applications. Key features include:
1. Layer 2 Switching: Supports basic Layer 2 functionality, enabling efficient data forwarding and frame processing.

2. Port Configuration: Typically supports up to 5 Ethernet ports, allowing for flexible network configurations.
3. MAC Address Table: Can store a large number of MAC addresses for effective traffic management.
4. VLAN Support: Supports Virtual Local Area Networks (VLANs) for enhanced network segmentation and security.
5. QoS Features: Implements Quality of Service (QoS) mechanisms to prioritize critical traffic and manage bandwidth more effectively.
6. Power Management: Features energy-efficient designs and may support various power-saving modes.
7. Easy Integration: Designed for easy integration into various devices, including routers, access points, and other networking hardware.
These features make the RTL8305NB-CG suitable for home and small business networking solutions.

Package

The RTL8305NB-CG is housed in a QFN (Quad Flat No-lead) package type, specifically designed for surface mount technology. This package type offers a compact footprint and efficient thermal performance, making it suitable for various networking applications.

Pinout

The RTL8305NB-CG is a network switch IC from Realtek, featuring a total of 28 pins. It is designed for Layer 2 switching applications and supports 5-port 10/100 Mbps Ethernet switching.
Key functions of the RTL8305NB-CG include:
1. MAC Address Learning: It can learn up to 1K MAC addresses.
2. Packet Filtering: It supports various frame types and filtering modes.
3. VLAN Support: It allows for 802.1Q VLAN tagging.
4. Port-based QoS: Quality of Service features for prioritizing traffic.
5. Auto-MDI/MDI-X: Automatic detection of cable type.
This device is commonly used in consumer networking devices like routers and switches.

Manufacturer

The RTL8305NB-CG is manufactured by Realtek Semiconductor Corporation, a Taiwanese company. Realtek is a leading global provider of IC (integrated circuit) solutions, specializing in networking and communication technology, audio and multimedia, and embedded systems. Founded in 1987, Realtek develops a wide range of semiconductor products, including Ethernet controllers, audio codecs, and wireless communication chips, catering to various industries such as consumer electronics, computers, and telecommunications. The RTL8305NB-CG is specifically an Ethernet switch IC designed for applications in consumer networking devices, supporting features such as energy-efficient Ethernet and multiple ports for connectivity.

Application

The RTL8305NB-CG is a network switch integrated circuit commonly used in applications such as consumer electronics, home networking devices, small office/home office (SOHO) routers, and IP cameras. It supports Ethernet switching, enabling reliable data transmission in local area networks (LANs) and is suited for devices requiring power over Ethernet (PoE) capabilities.

Equivalent

The RTL8305NB-CG is a switch chip from Realtek. Equivalent products include the Realtek RTL8306NG and RTL8307NG, which offer similar functionalities for network switching applications. Other alternatives could be chips from manufacturers like Microchip (e.g., MCP24SXX series) or Marvell (e.g., 88E6190X series), depending on specific features required. Always check datasheets for compatibility.