BCM84881B0IFSBG

Overview

The BCM84881B0IFSBG is a single-port Ethernet transceiver manufactured by Broadcom Limited. It supports 10GBASE-T, 5GBASE-T, 2.5GBASE-T, 1000BASE-T, and 100BASE-TX standards over Cat5e, Cat6, and Cat6A cabling. The device integrates MAC interfaces including USXGMII, XFI, 5000BASE-R/X, 2500BASE-R/X, and SGMII. It operates with a 0.8V core voltage and supports 1.2V, 1.8V, or 2.5V I/O voltages. Key features include IEEE 802.3bz and NBASE-T compliance, Energy Efficient Ethernet (EEE), and IEEE 1588-2008 PTP support.

Feature Summary

• Supports multi-rate Ethernet speeds from 100 Mbps to 10 Gbps
• Integrates multiple high-speed MAC interface options for flexible system design
• Complies with IEEE 802.3bz and NBASE-T standards
• Includes hardware timestamping for precise time synchronization

Applications

• Fiber-to-the-home (FTTH) Optical Network Units (ONU)
• DOCSIS eMTA devices
• High-performance network switches
• Industrial gateways requiring multi-rate connectivity

Procurement Notes

Verify the specific suffix 'IFSBG' against official Broadcom documentation to confirm package type and temperature range. Ensure compatibility with required I/O voltages (1.2V/1.8V/2.5V). Confirm availability through authorized distributors as supply levels may vary. Check for any product change notifications affecting pinout or electrical characteristics before finalizing procurement.

Selection Notes

Select this component when a single-port solution supporting up to 10GBASE-T is required. It is suitable for applications needing flexible MAC interfaces like USXGMII or SGMII. Consider power consumption requirements as it supports EEE. Verify that the target PCB layout can accommodate the FBGA package size and thermal dissipation needs for continuous operation at higher data rates.

Part Context

This part belongs to the BCM84891 series of single-port Ethernet transceivers. It shares architectural similarities with other members in the family but differs in specific suffixes indicating packaging and environmental ratings. It serves as a bridge between high-speed MAC controllers and physical copper cabling infrastructure.

Replacement Considerations

Check for direct replacements within the BCM84891 series such as BCM84891LB0KFEBG. Verify if alternative packages or temperature grades are available from Broadcom. Ensure any substitute maintains the same MAC interface support and electrical specifications.