85310AYI-21LN

Overview

The 85310AYI-21LN is a low skew, dual 1-to-5 differential-to-2.5V/3.3V ECL/LVPECL fanout buffer manufactured by Renesas Electronics Corporation. It features two differential clock input pairs (CLKx, nCLKx) capable of accepting LVDS, LVPECL, LVHSTL, SSTL, and HCSL levels. The device translates single-ended inputs to 3.3V LVPECL levels via resistor bias on the nCLKx input. Key electrical parameters include a maximum output frequency of 700MHz, typical output skew of 25ps, part-to-part skew of 270ps, propagation delay of 1.7ns, and additive phase jitter RMS of less than 0.13ps. It operates from a 2.5V or 3.3V supply.

Feature Summary

• Dual 1-to-5 differential fanout buffer architecture
• Supports multiple differential input standards including LVDS, LVPECL, LVHSTL, SSTL, and HCSL
• Low skew performance with 25ps typical output skew and <0.13ps RMS additive phase jitter
• Operates at frequencies up to 700MHz

Applications

• Clock distribution systems requiring well-defined performance and repeatability
• High-speed digital interfaces utilizing LVPECL or ECL signaling
• Systems translating various differential signal levels to standard LVPECL outputs

Part Context

The 85310AYI-21LN belongs to the 85310 series of high-performance clock buffers. This series is characterized by guaranteed output and part-to-part skew characteristics, making it suitable for applications demanding precise timing alignment across multiple clock domains.