VSC8248KITEV

Application Specific Clock/Timing Overview

The VSC8248KITEV is a quad-channel clock and data recovery (CDR) integrated circuit manufactured by Microsemi. It operates within a data rate range of 8.5 Gbps to 11.3 Gbps, supporting legacy 1.25 Gbps Ethernet as well as 8G Fibre Channel and 10G QDR Infiniband protocols. The device features on-chip adaptive electronic dispersion compensation (EDC) with FFE-DFE technology and a KR-compliant programmable output driver. It utilizes a 16 mm × 16 mm, 225-pin FCBGA package and requires typical core power supplies of 1.8 V and 1.2 V.

Application Specific Clock/Timing Feature Summary

• Quad-channel CDR with integrated adaptive EDC for optical and electrical signal integrity
• KR-compliant multi-tap output driver for backplane and copper applications
• Embedded microcontroller with on-board RAM for system integration
• Supports IEEE 802.3ae, IEEE 802.3aq, and SFF-8431 specifications

Application Specific Clock/Timing Applications

• Low cost, high port density 10G SFP+ platforms
• 40G/100G CFP module designs including 4x10G and 10x10G configurations
• 10G KR and legacy backplane upgrades

Application Specific Clock/Timing Procurement Notes

Verify the specific ordering suffix against official documentation to confirm package type and temperature range. Confirm current availability status directly with the manufacturer or authorized distributors, as component lifecycle stages may affect production timelines.

Application Specific Clock/Timing Selection Notes

Select this component for applications requiring flexible per-channel operation and independent power-down capabilities. Ensure the design supports the required 1.8 V and 1.2 V core power supplies. Consider the embedded microcontroller for reducing external system chip count if management logic integration is desired.

Application Specific Clock/Timing Part Context

This part belongs to the VSC8248 family of high-performance CDR devices designed for 10G Ethernet and related protocols. It serves as a versatile retimer for various communication interfaces, offering superior signal integrity through integrated diagnostics and programmable equalization features.

Application Specific Clock/Timing Replacement Considerations

Consult official Microsemi documentation for verified substitute part numbers. Cross-referencing should be limited to components explicitly listed as compatible replacements in public datasheets.