BCM56334B1KFSB

Overview

The BCM56334B1KFSBLG is a Gigabit Ethernet switch integrated circuit manufactured by Broadcom Limited. It provides 24 Gigabit Ethernet ports and four 10 Gigabit Ethernet uplink ports, designed for high-density access layer applications. The device supports advanced Layer 2 switching features including VLANs, QoS, and link aggregation. It incorporates hardware offloading capabilities to reduce CPU overhead for protocols such as VXLAN and IPsec. The component utilizes a BGA package suitable for enterprise networking infrastructure.

Feature Summary

• Supports 24 Gigabit Ethernet ports with four 10 Gigabit uplinks
• Hardware acceleration for network overlay and security protocols
• Advanced telemetry for real-time network monitoring

Applications

• Enterprise campus network access switches
• Data center top-of-rack connectivity
• Carrier edge aggregation platforms

Procurement Notes

Verify the complete part number suffix against official documentation, as variations exist between KFSBLG and KFSBG packages. Confirm RoHS compliance status directly from the manufacturer datasheet before integration. Ensure supply chain channels are authorized to avoid counterfeit components in high-volume deployments.

Selection Notes

Select this component for designs requiring dense Gigabit access with limited 10G uplink capacity. Evaluate thermal management requirements for the specific BGA package configuration. Compare against the BCM56334B0 variant if different pinout or feature sets are required for the target application.

Part Context

This model belongs to the Broadcom Trident-X family of switching silicon. It targets the access layer segment of modern network architectures. The chip integrates a high-performance switching fabric with dedicated memory buffers for traffic management.

Replacement Considerations

Check for direct substitutes within the same product family. Verify pin-to-pin compatibility and register-level software migration efforts when considering alternative Broadcom switching ICs.