VSC8490YJU-14

Telecom Overview

The VSC8490YJU-14 is a dual-port 10 Gigabit Ethernet PHY transceiver manufactured by Microchip Technology. It supports 10GBASE-KR and R-XAUI interfaces with data rates of 10 Gb/s. The device operates within a supply voltage range of 1V to 1.2V and functions at temperatures from -40°C. Packaged in an FCBGA-196, it integrates premium IEEE 1588 precision time protocol support and MACsec encryption for secure network communications.

Telecom Feature Summary

• Supports dual-port 10GBASE-KR and R-XAUI interface standards for high-speed connectivity
• Integrates premium IEEE 1588 precision time protocol functionality for synchronization
• Includes hardware-based MACsec encryption capabilities for data security

Telecom Applications

• Carrier-grade Ethernet infrastructure equipment
• Data center interconnect systems requiring precise timing
• Secure enterprise networking switches and routers

Telecom Procurement Notes

Verify the specific suffix '14' against the official datasheet to confirm feature set alignment, as ordering suffixes define electrical and functional variations. Confirm current availability status directly with Microchip Technology or authorized distributors, as stock levels fluctuate. Ensure compliance with RoHS directives and check for any product discontinuation notifications prior to final procurement decisions.

Telecom Selection Notes

Select this component when dual 10GbE ports with integrated MACsec and high-accuracy timestamping are required. The FCBGA-196 package necessitates appropriate PCB layout considerations for thermal management and signal integrity. Verify that the host system supports the necessary 1V and 1.2V power rails and XAUI/R-XAUI signaling requirements for proper integration.

Telecom Part Context

This part belongs to the VSC8490 series of Ethernet PHYs designed for demanding network applications. It complements other Microchip networking solutions by providing robust physical layer connectivity with enhanced security and timing features, serving as a critical link between media access controllers and physical cabling or backplane interfaces.

Telecom Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Users should consult Microchip Technology directly for validated cross-reference options or updated replacements if this component becomes obsolete.