VSC8258YMR-01

Telecom Overview

The VSC8258YMR-01 is a quad-channel Ethernet WIS PHY supporting 1G/10GBASE-KR to SFI interfaces. It integrates VeriTime for IEEE 1588v2 synchronization and Intellisec for MACsec security. The device operates with a minimum supply voltage of 970 mV and a maximum of 1.2 V, functioning within a temperature range of -40°C to +85°C. It utilizes an HFCBGA-256 package for surface mount installation.

Telecom Feature Summary

• Supports Wide Area Network Interface Sublayer (WIS) operations for optical carrier framing.
• Provides hardware timestamping capabilities compliant with IEEE 1588v2 standards.
• Integrates MACsec functionality for link-layer data confidentiality and integrity.

Telecom Applications

• IEEE 1588v2 One-Step End-to-End Transparent Clock implementations
• Transparent Clock and Boundary Clock line card applications
• Synchronous Ethernet network synchronization nodes

Telecom Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and temperature grade. Confirm that the intended application environment aligns with the specified operating conditions before finalizing procurement decisions.

Telecom Selection Notes

Select this component when a quad-port solution is required for converting 10GBASE-KR backplane signals to serial digital interfaces. Ensure the host system supports the necessary management interfaces, such as MDIO or SPI, for configuration and monitoring.

Telecom Part Context

This part belongs to the VSC8258 family of Ethernet PHYs designed for high-performance networking equipment. It serves as a bridge between electrical backplane connections and optical transport networks, facilitating precise time synchronization across distributed systems.

Telecom Replacement Considerations

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

Telecom FAQ

What synchronization modes does the VSC8258YMR-01 support?

The device supports IEEE 1588v2 One-Step End-to-End Transparent Clock, Two-Step Transparent Clock, Peer-to-Peer Transparent Clock, and Boundary Clock modes.

How is the Wide Area Network Interface Sublayer handled?

The integrated WIS handles section overhead, path overhead, pointer interpretation, and frame alignment for STS-192c/STM-64 signals.