BCM53426A0IFSBG

Overview

The BCM53426A0IFSBG is a high-performance Ethernet switch integrated circuit manufactured by Broadcom Limited. It features a port configuration of twenty 1 Gigabit ports and four 10 Gigabit ports, including CPU interfaces. The device integrates an on-chip microcontroller for system management and control functions. It supports IEEE 802.1AS timing protocols via Broadsync HD technology. The component is designed for robust network switching applications requiring mixed-speed connectivity.

Feature Summary

• Integrates twenty 1G and four 10G Ethernet ports for flexible bandwidth scaling
• Includes an embedded microcontroller for internal processing and management tasks
• Supports IEEE 802.1AS synchronization for precise time-sensitive networking

Applications

• Enterprise core and distribution layer switches
• Data center aggregation nodes
• Service provider edge equipment

Procurement Notes

Verify the specific suffix IFSBG against official datasheets to confirm package type and temperature range. Confirm RoHS compliance status with the manufacturer before procurement. Ensure supply chain partners provide valid traceability documentation. Check for any recent engineering change notices that may affect pin compatibility or electrical characteristics.

Selection Notes

Select this component when a solution combining multiple 1G access ports with high-speed 10G uplinks is required. The integrated CPU simplifies design complexity compared to separate controller solutions. Evaluate thermal requirements as high-density switching generates significant heat. Ensure the PCB layout supports the necessary BGA package pitch and power delivery networks.

Part Context

This part belongs to the Broadcom BCM53xx series of Ethernet switches. These devices are engineered for high-throughput switching in modern network infrastructure. The series emphasizes energy efficiency and advanced protocol support. It serves as a key building block for scalable network architectures requiring reliable data transport.

Replacement Considerations

Consult official Broadcom substitution guides for verified alternatives. Cross-reference pinouts and register maps if considering similar models within the same family. Verify that any substitute maintains the required 10G interface count and CPU integration capabilities.