BCM84540A1IFSBG

Overview

The Broadcom BCM84540A1IFSBG is a high-performance Ethernet switch ASIC designed for data center and enterprise core routing applications. It supports line-rate forwarding of 64-byte packets at 25 Gbps per port across 32 ports, delivering a total switching capacity of 960 Gbps. The device integrates advanced Quality of Service (QoS) features, including deep packet buffering and sophisticated scheduling algorithms to minimize latency and jitter. It supports multiple packet buffer sizes and offers comprehensive security features such as ACLs and encryption capabilities.

Feature Summary

• Supports 32-port 25 Gigabit Ethernet interfaces with non-blocking architecture
• Integrates hardware-based QoS for traffic prioritization and congestion management
• Includes extensive access control list support for network security enforcement

Applications

• Data center spine and leaf switches
• Enterprise core routers
• Telecommunications aggregation platforms

Procurement Notes

Verify the specific suffix A1IFSBG against the manufacturer's official datasheet to confirm pinout compatibility and temperature range specifications. Ensure that the source provides valid traceability documentation for integrated circuit authenticity. Cross-reference the package type details with the official mechanical drawing before integration into the design.

Selection Notes

Select this component when designing systems requiring high-density 25GbE connectivity with low latency requirements. Evaluate thermal management solutions suitable for the BGA package configuration. Confirm that the host processor interface meets the speed requirements for configuration and monitoring tasks associated with this silicon generation.

Part Context

This model belongs to Broadcom's Tomahawk series of Ethernet switching silicon, targeting high-throughput networking environments. It represents a generation of chips optimized for scalability in large-scale cloud infrastructures. The part number indicates a specific variant within the broader family, distinguished by its interface speeds and feature set tailored for modern data center fabrics.

Replacement Considerations

Check for updated revisions from the manufacturer offering enhanced power efficiency or additional port configurations. Verify backward compatibility with existing board designs if substituting older variants within the same product family.