BCM68461A1KRFBG

Overview

The BCM68461A1KRFBG is an EPON Home Gateway Unit (HGU) integrated circuit manufactured by Broadcom Limited. It belongs to the BCM68460 series, designed for broadband access applications. The component integrates Ethernet switching and PON interface capabilities to facilitate high-speed data transmission in fiber-to-the-home networks. It supports standard EPON protocols for upstream and downstream communication, enabling efficient bandwidth management for residential gateways.

Feature Summary

• Integrates Ethernet switching and EPON interface functions within a single chip architecture.
• Supports standard EPON protocol operations for residential gateway deployments.
• Designed to streamline PCB layout and reduce bill of materials for HGU devices.

Applications

• EPON-based Home Gateway Units (HGU)
• Fiber-to-the-Home (FTTH) terminal equipment
• Residential broadband access nodes

Procurement Notes

Verify the exact suffix against the manufacturer's official datasheet to confirm pinout compatibility and temperature range specifications. Ensure the ordering information matches the specific variant required for the target application design. Cross-reference with the latest assembly notices to confirm current production status and any potential supply chain adjustments.

Selection Notes

Select this component when designing EPON gateways requiring integrated switching and PON functionality. Compare pin compatibility and thermal characteristics with other members of the BCM6846x family. Validate support for required VLAN tagging and QoS features through the official technical documentation before finalizing the schematic.

Part Context

This part is a member of the Broadcom BCM68460 series, which targets the EPON HGU market. It shares architectural similarities with variants like the BCM68460A1KRFBG but may differ in specific package options or industrial temperature ratings. The series aims to provide a cost-effective solution for service providers deploying fiber access networks.

Replacement Considerations

Check for direct substitutes within the BCM68460 family, such as the BCM68460A1KRFBG, ensuring that suffix differences do not alter functional requirements. Verify mechanical footprint compatibility if replacing existing designs. Consult Broadcom for qualified alternate sources to mitigate supply risks.