VSC8490YJU-17

Telecom Overview

The VSC8490YJU-17 is a dual-channel SerDes PHY manufactured by Microchip Technology. It converts RXAUI/XAUI interfaces to SFP+ and 10GBASE-KR backplane connections. The device supports data rates of 1 Gb/s and 10 Gb/s. It integrates IEEE 1588 precision time protocol for synchronization. Management is handled via MDIO, SPI, or Two-Wire Serial interfaces. The component operates within a temperature range of -40°C to +110°C.

Telecom Feature Summary

• Integrates VeriTime technology for high-precision timestamping and synchronization.
• Supports MACsec encryption for secure data transmission.
• Includes built-in WAN Interface Sublayer (WIS) functionality.
• Features integrated VScope signal monitoring capabilities.

Telecom Applications

• Transparent clock line card end-to-end PHY applications
• Boundary clock line card implementations
• SFP+ transceiver module integration

Telecom Procurement Notes

Verify the current lifecycle status with the manufacturer before design finalization. Confirm package availability and lead times directly with authorized distributors. Ensure compliance with RoHS directives and environmental regulations applicable to your region prior to procurement.

Telecom Selection Notes

Select this component when dual-channel 10G connectivity with precise timing is required. Verify that the host system supports RXAUI or XAUI input protocols. Ensure the application environment accommodates the specified operating temperature range and power requirements.

Telecom Part Context

This part belongs to the VSC8490 series of Ethernet PHYs. It is designed for high-performance networking equipment requiring deterministic latency and synchronization. The device bridges host-side serial interfaces to physical media connectors.

Telecom Replacement Considerations

Consult official documentation for cross-reference information. No specific substitute part numbers are confirmed in the provided source material.