BCM56821B0KFSBLG

Overview

The BCM56821B0KFSBLG is a multi-layer telecommunications interface integrated circuit manufactured by Broadcom Limited. Classified as a switch, this component utilizes a PCI Express interface for system connectivity. It is housed in a specific package configuration and belongs to the BCM56821 basic product family. The device complies with RoHS3 standards and carries an ECCN classification of 5A991C1. This IC serves as a core switching element within telecom infrastructure applications.

Feature Summary

• Multi-layer switching capability for telecommunications interfaces
• PCI Express interface integration for host communication
• RoHS3 compliant manufacturing process

Applications

• Telecommunications network equipment
• Data center switching infrastructure
• Enterprise networking hardware

Procurement Notes

This component is officially listed as obsolete by the manufacturer. Availability is restricted to existing stock or secondary market sources. Verification of part authenticity and condition is critical due to the discontinued status. No new production units are expected from Broadcom Limited.

Selection Notes

Designers requiring active replacement components should consult current Broadcom portfolio offerings. The BCM56821 series represents a legacy generation. New designs must evaluate modern equivalents that support updated protocol standards and packaging technologies compatible with current manufacturing requirements.

Part Context

The BCM56821B0KFSBLG belongs to the Broadcom BCM56821 family of high-performance switching chips. These devices are engineered for scalable switching architectures in enterprise and service provider environments. The specific suffix indicates package and temperature grade variations within the broader product line.

Replacement Considerations

Direct pin-to-pin replacements are not publicly confirmed for this obsolete part. Engineers should review Broadcom's current data sheet library for functionally equivalent next-generation switches.