VSC8479YHQ-02

Overview

The VSC8479YHQ-02 is a single-port Ethernet transceiver manufactured by Microchip Technology. It supports data rates from 9.95 Gbps to 11.3 Gbps with a 16-bit interface, specifically designed for SFI4.1 applications. The device features fast lock capabilities and operates on a 1.8V supply voltage. It utilizes I²C and SPI interfaces for control and configuration. The component is housed in a 195-FCBGA package measuring 12x12 mm, suitable for surface mount installation.

Feature Summary

• Supports high-speed serial data transmission within the specified gigabit range
• Integrates fast lock functionality for rapid signal synchronization
• Provides flexible digital control via standard communication protocols

Applications

• SFI4.1 compliant optical module interconnects
• High-speed telecommunications equipment
• Data center networking infrastructure

Procurement Notes

Verify the specific suffix designation to ensure compatibility with required interface standards and pin configurations. Confirm that the 195-FCBGA package dimensions align with the target PCB layout constraints. Check current lifecycle status and availability through authorized distributors, as lead times may vary based on production schedules and regional stock levels.

Selection Notes

Select this component when a single-port solution with SFI4.1 support is required. Ensure the system design accommodates the 1.8V power domain and thermal requirements of the FCBGA package. Validate that the host controller supports the necessary I²C or SPI signaling speeds for reliable configuration and monitoring of the transceiver state.

Part Context

This part belongs to the VSC8479 series of Ethernet transceivers. It serves as a critical interface between MAC layers and physical media converters. The series is engineered for robust performance in demanding network environments, offering a compact form factor suitable for dense board layouts in modern communication systems.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.