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Product Detailed Parameters
- Description：SWITCH FABRIC
- Series：-
- Mfr：Broadcom Limited
- Package：Tray
- Function：-
- Interface：-
- Number of Circuits：-
- Voltage - Supply：-
- Current - Supply：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Power (Watts)：-
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Overview
The BCM56538B0KFSBLG is a high-performance Layer 3 Ethernet Switch ASIC from Broadcom's StrataXGS Tomahawk family. It delivers 1.28 Tbps of switching capacity and integrates 48 ports of 25 Gbps SerDes alongside four ports of 100 Gbps SerDes. The device supports flexible port configurations, including 48x25GbE or 12x100GbE setups. It features hardware-accelerated support for network virtualization protocols such as VXLAN and NVGRE, enabling efficient overlay networking in modern data center environments.
Feature Summary
- Hardware-accelerated processing for network virtualization overlays
- Flexible port configuration supporting mixed speed deployments
- Integrated high-density flow table handling capabilities
Applications
- Data Center Top-of-Rack (ToR) switching
- Leaf-Spine network architecture interconnects
- High-density server access layers requiring 25GbE connectivity
Procurement Notes
Verify the specific silicon stepping and package marking against official Broadcom documentation to ensure compatibility with your design. Confirm RoHS compliance status and environmental ratings prior to integration. Request detailed datasheets and errata sheets directly from authorized distributors or the manufacturer to validate current production status and any known revisions affecting system performance.
Selection Notes
Select this component for designs requiring substantial throughput within a single chip footprint while maintaining flexibility for evolving port speeds. Evaluate thermal management requirements due to the high pin count and power density inherent in large BGA packages. Ensure PCB layout capabilities support the necessary signal integrity for high-speed serial interfaces to fully utilize the integrated SerDes performance.
Part Context
This part belongs to the Broadcom StrataXGS Tomahawk series, a line of high-end switching ASICs designed for enterprise and data center networks. The Tomahawk generation marked a significant shift towards native 25 Gigabit Ethernet support, allowing for denser server connections compared to previous generations focused primarily on 10 Gigabit speeds.
