BCM53426A0KFSBG

Overview

The BCM53426A0KFSBG is an Ethernet switch integrated circuit manufactured by Broadcom Limited. It features a port configuration of twenty 1 Gigabit Ethernet ports and four 10 Gigabit Ethernet ports, including an integrated CPU interface. The component utilizes the KFSBG package designation. It is classified under Switch ICs within the broader category of Ethernet ICs.

Feature Summary

• Integrates a high-density port array combining twenty 1G and four 10G interfaces for scalable connectivity.
• Includes an on-chip CPU interface to facilitate management and control plane processing.

Applications

• Enterprise network infrastructure requiring mixed-speed uplinks
• Data center access layer switching
• Telecommunications equipment with multi-gigabit requirements

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to ensure compatibility with required environmental ratings and lead times. Confirm that the KFSBG package variant matches the target PCB footprint and thermal design specifications before finalizing procurement orders.

Selection Notes

Select this component when a solution combining twenty 1G ports with four 10G uplinks is required. Ensure the system design accommodates the specific power dissipation characteristics associated with the KFSBG package type and validates support for the integrated CPU interface architecture.

Part Context

This part belongs to the Broadcom BCM53xxx series of Ethernet switches. These components are designed for high-performance networking applications, offering various port configurations to suit different network topology requirements across enterprise and data center environments.

Replacement Considerations

Consult official Broadcom substitution guides for verified alternatives. Cross-reference pinouts and electrical parameters carefully when evaluating potential replacements from other manufacturers or different Broadcom families.