BCM56746A1KFRBLG

Signal Switches, Multiplexers, Decoders Overview

The Broadcom BCM56746A1KFRBLG is a member of the Trident II family, designed as a high-performance Ethernet switch ASIC for data center and service provider networks. It supports wire-rate switching at 25.6 Tbps with a packet buffer of 32 MB. The device features 64 ports of 400GbE or 128 ports of 200GbE connectivity. It integrates advanced capabilities including hardware-accelerated IPv4/IPv6 routing, MPLS, and VXLAN encapsulation. The component operates within a standard industrial temperature range and utilizes a BGA package to facilitate integration into high-density network infrastructure platforms.

Signal Switches, Multiplexers, Decoders Feature Summary

• Supports multi-chassis link aggregation (MLAG) and virtual port channel (vPC) protocols for enhanced redundancy
• Provides hardware-based quality of service (QoS) with deep packet inspection capabilities
• Enables comprehensive telemetry and monitoring through integrated performance counters

Signal Switches, Multiplexers, Decoders Applications

• Core and aggregation layer switching in large-scale data centers
• Service provider edge routers and gateways
• High-performance cloud networking infrastructure

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify that the specific suffix matches the required pinout and thermal specifications for your carrier board design. Confirm RoHS compliance status and lead times directly with authorized distributors. Ensure ESD handling procedures are strictly followed during assembly. Request factory test reports to validate initial functionality before deployment in critical network segments.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when designing systems requiring non-blocking throughput for 400GbE uplinks. Evaluate power consumption constraints against the thermal dissipation requirements of the BGA package. Compare against newer generations if future-proofing for higher bandwidth densities is necessary. Ensure software support for desired network operating systems is available from the vendor.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the Trident II series, representing a significant generation in Broadcom's silicon roadmap for high-speed switching. It bridges the gap between earlier 100GbE-centric designs and modern 400GbE architectures. The architecture emphasizes low latency and high scalability, serving as a foundational block for next-generation fabric topologies in enterprise and hyperscale environments.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Direct pin-to-pin replacements may not exist due to architectural evolution. Consider the BCM56960 or BCM56980 families for upgraded performance levels. Verify backward compatibility with existing PCB layouts and firmware libraries before attempting any substitution across different product lines.