BCM5461SA3KFBG

Drivers, Receivers, Transceivers Overview

The BCM5461SA3KFBG is a fully integrated single-port Gigabit Ethernet transceiver from the Broadcom BCM5 series. It supports 10BASE-T, 100BASE-TX, and 1000BASE-T standards over CAT 5 twisted-pair wiring. The device features GMII, RGMII, SGMII, SerDes, RTBI, TBI, and MII MAC interface options. Power dissipation is less than 700 mW per port. It includes on-chip low-voltage regulators and robust CESD tolerance. The component operates at half- and full-duplex speeds and supports jumbo packets up to 9 KB.

Drivers, Receivers, Transceivers Feature Summary

• Supports both copper RJ-45 and fiber optic media via an integrated SerDes PHY interface with automatic or software-controlled switching.
• Includes cable plant diagnostic functions that detect impairments such as pair swaps, skew, polarity errors, and excessive length.
• Provides Wake on LAN support and advanced power management for energy-efficient operation.
• Features extremely low EMI emissions and high ESD tolerance to prevent equipment damage.

Drivers, Receivers, Transceivers Applications

• Small form factor Network Interface Cards (NICs)
• Gigabit Ethernet uplinks
• Backplane applications
• Industrial media converters

Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'A3' against official documentation to confirm package type and temperature range. Confirm RoHS compliance status through current datasheets. Check for Product Change Notifications (PCN) or End-of-Life (EOL) notices prior to procurement. Ensure supply chain stability given potential discontinuation of older 0.13µm process nodes.

Drivers, Receivers, Transceivers Selection Notes

Select this component when a single-port solution supporting both copper and fiber interfaces is required. It is suitable for designs needing reduced I/O pin counts via RGMII or SGMII. Consider its low power profile for thermal-constrained environments. Verify compatibility with target MAC interfaces before finalizing the design.

Drivers, Receivers, Transceivers Part Context

This part belongs to the Broadcom BCM5461S family of Gigabit copper transceivers. It utilizes a 0.13µ CMOS process technology. The family shares architectural similarities with parts like the BCM5404 and BCM5421S. The BCM5461S is optimized for cost-effective Gigabit bandwidth delivery.

Drivers, Receivers, Transceivers Replacement Considerations

Check for direct replacements within the BCM5461S family. Verify if other suffixes offer identical functionality with different packaging or temperature ratings. Consult Broadcom for updated alternatives if this specific variant is discontinued.

Drivers, Receivers, Transceivers FAQ

Does the BCM5461SA3KFBG support fiber optic connections?

Yes, it supports fiber optic networks through its integrated SerDes PHY interface, allowing connection to optical modules.

What is the maximum power consumption of this device?

The power dissipation is less than 700 mW per port.

Can the device automatically correct wiring issues?

It can automatically detect and correct wiring pair swaps, pair skew, and pair polarity. However, physical defects like excessive length require a link quality indicator alert.