BCM54340C1KFBG

Drivers, Receivers, Transceivers Overview

The BCM54340C1KFBG is an eight-port SGMII copper Gigabit Ethernet transceiver manufactured by Broadcom Limited. It utilizes a 40nm CMOS process technology to deliver high-density, low-power performance suitable for enterprise and data center switch applications. The device supports the SGMII MAC interface standard and complies with IEEE 802.3az Energy-Efficient Ethernet specifications. It features integrated MAC security capabilities and supports synchronous Ethernet (SyncE) for precise clock synchronization across network infrastructure.

Drivers, Receivers, Transceivers Feature Summary

• Integrates eight SGMII ports within a single package for high port density
• Incorporates hardware-based MAC security functions for enhanced network protection
• Supports synchronous Ethernet (SyncE) for robust timing distribution
• Complies with IEEE 802.3az standards for energy-efficient operation

Drivers, Receivers, Transceivers Applications

• Enterprise network switches requiring high port density
• Data center aggregation layer switching equipment
• Carrier-grade Ethernet infrastructure utilizing SyncE
• Secure network edge devices implementing MAC-level security

Drivers, Receivers, Transceivers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to potential availability constraints. Confirm RoHS compliance status via official documentation before integration. Check for specific ordering suffixes that may indicate package variations or temperature ranges. Ensure supply chain stability as this component type may have limited production runs.

Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring eight SGMII interfaces with integrated security features. Consider the 40nm process node for power efficiency in dense deployments. Evaluate thermal management requirements given the high port count. Verify compatibility with target MAC controllers supporting SGMII protocols. Compare against alternative Broadcom PHYs if fewer ports or different interface standards are sufficient.

Drivers, Receivers, Transceivers Part Context

This part belongs to the Broadcom BCM5 series of Ethernet PHYs, specifically designed for high-performance switching applications. It complements other Broadcom networking components like the BCM56xxx series switches. The C1KFBG suffix typically denotes a specific package configuration and temperature range variant within the broader BCM54340 family.

Drivers, Receivers, Transceivers Replacement Considerations

Direct replacements include other BCM54340 variants with different suffixes for package or temperature adjustments. Cross-reference with BCM54280 or BCM54380 families for similar SGMII functionality, though port counts or feature sets may differ. Verify pin-to-pin compatibility and register map alignment before substitution.