The BCM5482SHA2KFBG is a dual-port Gigabit Ethernet transceiver from Broadcom Limited. It provides two independent channels for transmitting and receiving data at Gigabit Ethernet speeds (1000 Mbps) over copper cabling. This device is commonly used in networking equipment such as switches, routers, and network interface cards (NICs) to provide high-speed connectivity.

Applications

• Gigabit Ethernet Switches
• Routers
• Network Interface Cards (NICs)
• Server Motherboards
• Embedded Systems

Features

• Dual-Port Gigabit Ethernet: Offers two independent Gigabit Ethernet channels.
• 10/100/1000BASE-T Support: Supports all three Ethernet speeds for maximum compatibility.
• Integrated PHY: Includes all the physical layer functions required for Ethernet communication.
• Low Power Consumption: Designed for energy-efficient operation.
• Auto-Negotiation: Automatically detects and configures the link speed and duplex mode.
• MII/GMII/RGMII Interface: Provides a standard interface for connecting to MAC controllers.

Benefits

• High-Speed Connectivity: Enables Gigabit Ethernet speeds for fast data transfer.
• Reduced Power Consumption: Minimizes energy usage in networking equipment.
• Simplified Design: Integrates all PHY functions, reducing design complexity.
• Cost-Effective Solution: Provides two Gigabit Ethernet ports in a single chip.

Additional Details

The BCM5482SHA2KFBG transceiver integrates two complete Gigabit Ethernet physical layer (PHY) functions. Each PHY supports 10BASE-T, 100BASE-TX, and 1000BASE-T Ethernet standards. The device incorporates auto-negotiation, enabling automatic detection and configuration of link speed and duplex mode. The BCM5482SHA2KFBG utilizes advanced digital signal processing (DSP) techniques for enhanced signal quality and robustness. It supports various media interfaces, including MII, GMII, and RGMII, to facilitate connection to a wide variety of MAC controllers. The device also includes built-in diagnostic and loopback testing capabilities. The BCM5482SHA2KFBG is typically packaged in a QFN or BGA package. It requires a 3.3V power supply for I/O and a separate supply for the core logic, typically 1.0V or 1.2V.