VSC8514XMK-14

Overview

The VSC8514XMK-14 is a quad-port Gigabit Ethernet transceiver featuring four integrated 10/100/1000BASE-T copper media interfaces. It utilizes a QSGMII SerDes MAC interface for high-density connectivity and incorporates Microsemi’s EcoEthernet 2.0 technology to support Energy Efficient Ethernet standards. The device employs a mixed-signal DSP architecture with a patented low EMI voltage mode line driver and integrated line-side termination resistors. It supports IEEE 802.3az, ActiPHY power management, and VeriPHY cable diagnostics. Operating temperatures range from -40°C to 125°C junction, housed in a 138-pin QFN package.

Feature Summary

• Four integrated 10/100/1000BASE-T Ethernet copper transceivers with VeriPHY cable diagnostics
• QSGMII SerDes MAC interface supporting half-duplex and full-duplex communication
• Patented low EMI voltage mode line driver with integrated line-side termination resistors
• EcoEthernet 2.0 technology including ActiPHY, PerfectReach, and IEEE 802.3az support

Applications

• High-density network switches requiring compact form factors
• Industrial networking equipment operating in extreme temperature environments
• Energy-efficient enterprise infrastructure devices
• Embedded systems utilizing QSGMII MAC interfaces

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet revision to confirm pinout compatibility and environmental ratings. Confirm that the required reference clock frequency matches the device configuration options. Ensure design compliance with moisture sensitivity levels and thermal specifications during assembly.

Selection Notes

Select this component when a quad-port copper PHY with a serial MAC interface is required. It is suitable for designs needing integrated termination resistors to reduce PCB space. Consider its power consumption characteristics relative to link state and cable reach requirements. Verify compatibility with the host system's QSGMII implementation.

Part Context

This part belongs to the VSC8514 family of Gigabit Ethernet PHYs. It shares core functionality with variants like the VSC8514-11 but may differ in packaging or environmental grading. The series is designed for applications demanding robust performance over Category 5 cabling with advanced power management features.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer for direct replacements or updated revisions within the same product family.