BCM84064A1KFSBG

Overview

The BCM84064A1KFSBG is a dual-port Ethernet switch integrated circuit manufactured by Broadcom Limited. It features two independent ports supporting 10/100/1000 Mbps speeds with integrated PHYs. The device includes an internal MAC and supports standard Ethernet protocols including IEEE 802.3, 802.3u, and 802.3ab. It utilizes a BGA package for surface mount assembly. The component is designed for network infrastructure applications requiring compact form factors and low power consumption.

Feature Summary

• Dual-port architecture with integrated physical layer transceivers
• Supports full-duplex and half-duplex operation modes
• Integrated media access control logic
• Compliant with IEEE 802.3 standards

Applications

• Network interface cards
• Industrial automation controllers
• Telecommunications equipment

Procurement Notes

Verify the specific suffix KFSBG against official Broadcom documentation to confirm pinout and thermal specifications. Check for end-of-life notifications or discontinuation notices prior to procurement. Ensure compatibility with existing board layouts and supply chain sources.

Selection Notes

Select this component when a dual-port Gigabit solution with integrated PHY is required. Compare pin compatibility with other BCM84xxx series devices if space constraints exist. Verify voltage levels and interface requirements against system design specifications.

Part Context

This part belongs to the Broadcom BCM84064 family of Ethernet switches. It shares architectural similarities with other members in the series but differs in packaging and specific feature sets. The A1 revision indicates a specific manufacturing lot or engineering change level.

Replacement Considerations

Consult Broadcom's official cross-reference guide for direct replacements. Verify pin-to-pin compatibility before substituting with similar dual-port Ethernet ICs from other manufacturers.