VSC8501XML-03

Overview

The VSC8501XML-03 is a single-port Ethernet PHY from Microchip Technology, designed for space-constrained 10/100/1000BASE-T applications. It features integrated line-side termination to conserve board space and lower EMI. The device supports RGMII, GMII, and MII interfaces with integrated timing compensation. Key specifications include IEEE 802.3 compliance, support for Energy Efficient Ethernet (EEE) via EcoEthernet v2.0, and Wake-on-LAN capabilities. It operates within an ambient temperature range of -40°C to +85°C and a junction temperature up to 125°C. The component is housed in a 135-pin QFN package measuring 12 mm x 12 mm.

Feature Summary

• Integrated line-side termination reduces external component count and electromagnetic interference.
• Supports Synchronous Ethernet with recovered clock output and programmable squelch control.
• Includes fast link failure indication for high availability network environments.
• Features EcoEthernet technology for optimized power consumption across all link speeds.

Applications

• Space-constrained networking equipment requiring reduced board footprint.
• High availability industrial networks utilizing fast link failure detection.
• Synchronous Ethernet infrastructure requiring precise timing recovery.
• Energy-efficient network endpoints supporting IEEE 802.3az standards.

Procurement Notes

Verify the specific ordering suffix matches the required operating temperature range. Confirm package type and pin configuration align with PCB layout requirements. Ensure compatibility with existing MAC interface voltages. Check for latest revision updates or errata sheets before finalizing procurement decisions.

Selection Notes

Select this component when a single-port solution with integrated termination is required. Consider the 135-pin QFN package constraints during mechanical design. Evaluate power budget requirements against EcoEthernet capabilities. Verify that the host MAC supports RGMII, GMII, or MII protocols for proper interface integration.

Part Context

This part belongs to the VSC8501 family of Ethernet transceivers. It serves as a single-port variant within Microchip's portfolio of copper PHY solutions. The device complements dual-port models by offering similar feature sets in a compact form factor suitable for dense networking designs.

Replacement Considerations

Direct substitutes may include other single-port 10/100/1000BASE-T PHYs from Microchip or competitors. Verify pinout compatibility and register map similarities if replacing within the same ecosystem. Ensure thermal and electrical specifications meet or exceed original design parameters.