BCM53342A0KFSBG

Overview

The BCM53342A0KFSBG is an Ethernet switch controller manufactured by Broadcom Limited. It supports data rates of 1 Gb/s, 2.5 Gb/s, 5 Gb/s, and 10 Gb/s. The device integrates eight transceivers and provides interfaces including GMII, PCIe, QSGMII, RXAUI, USB, and XAUI. It is classified as an Ethernet IC within the Communication & Networking ICs subcategory. The component is designed for surface mount installation and features a humidity-sensitive level requiring appropriate handling during storage and assembly.

Feature Summary

• Supports multi-gigabit speeds up to 10 Gb/s
• Integrates eight transceivers for high-density connectivity
• Provides diverse interface options including PCIe and QSGMII

Applications

• High-performance network switches
• Enterprise routing equipment
• Data center interconnects

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure correct package and temperature grade compatibility. Confirm RoHS compliance status with the supplier prior to purchase. Check manufacturing lead times as they may vary significantly from standard estimates. Ensure proper ESD protection protocols are followed during handling due to moisture sensitivity classification.

Selection Notes

Select this component when eight high-speed transceivers are required in a single integrated circuit. Evaluate interface requirements carefully as the device supports multiple protocols like PCIe and QSGMII. Consider thermal management solutions suitable for surface mount applications. Verify that the host system can accommodate the specific pinout and power requirements defined in the official electrical specifications.

Part Context

This part belongs to the Broadcom BCM53xxx series of Ethernet switching controllers. These components are widely used in networking infrastructure to manage packet forwarding and switching operations. The BCM53342 variant specifically targets applications requiring multi-gigabit throughput with integrated physical layer capabilities.

Replacement Considerations

Consult the official Broadcom cross-reference documentation for verified substitutes. Ensure any alternative part maintains compatibility with the existing PCB layout and firmware configuration. Verify that interface support and pin assignments match the original design requirements before implementation.