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The BCM56456B0IFSBG is a Broadcom Ethernet IC designed for Carrier Ethernet switching applications. It supports data rates of 100 Gb/s and belongs to the Ethernet Switches product category under Communication & Networking ICs. The component is manufactured by Broadcom Limited, formerly Avago. This specific part number is currently listed as obsolete or end-of-life (EOL) in distributor records. No active procurement channels are available through major distributors such as Mouser.
This component is officially discontinued and no longer in production. Distributors list it as unavailable with restricted supply status. Verification of authenticity is critical if sourcing from secondary markets, as official stock is depleted. Engineers should confirm the EOL status directly with Broadcom before initiating any design-in processes involving this obsolete part number.
Due to the end-of-life status of the BCM56456B0IFSBG, new designs must utilize alternative components. Review Broadcom's current portfolio for modern Ethernet switch solutions that meet similar throughput requirements. Ensure replacement parts support the necessary interface standards and package types required by the target application architecture.
The BCM56456 series represents Broadcom's legacy offerings in the high-speed Ethernet switching domain. This specific variant targets carrier-grade applications requiring significant bandwidth. As technology advances, Broadcom has shifted focus to newer generations of switches, rendering older models like the BCM56456 obsolete for new manufacturing runs.
Consult Broadcom's official obsolescence notices for recommended successor devices. Verify compatibility with existing system constraints when selecting an alternative. No direct public substitute part numbers are confirmed for this specific obsolete model.