8T49N222B-109NLGI

Overview

The 8T49N222B-109NLGI is a low-jitter, programmable clock generator from Renesas. It features an integrated voltage-controlled crystal oscillator (VCXO) and supports multiple output formats including LVPECL, LVDS, HSTL, SSTL, and CMOS. The device operates at a supply voltage of 1.2V and accepts input frequencies up to 250 MHz. It provides four differential outputs with independent frequency synthesis capabilities, designed for high-performance networking and telecom applications requiring precise clock distribution.

Feature Summary

• Integrated VCXO for enhanced phase noise performance
• Supports multiple output interface standards
• Programmable via I2C interface

Applications

• Telecom infrastructure equipment
• High-speed data communication systems
• Networking switches and routers

Procurement Notes

Verify the specific suffix '109NLGI' against official Renesas documentation to confirm pinout, package type, and temperature range. Ensure compatibility with existing board layouts and power supply requirements before procurement. Cross-reference the datasheet for any recent revisions that may affect electrical characteristics or mechanical dimensions.

Selection Notes

Select this component when low jitter and VCXO functionality are required for precise clock generation. Consider the available output formats and programming flexibility via I2C. Evaluate the operating temperature range and supply voltage constraints against system specifications to ensure reliable operation in the target environment.

Part Context

This part belongs to the 8T49N22x family of clock generators. These devices are designed for demanding applications where signal integrity is critical. The family offers various configurations to meet different system needs while maintaining consistent performance metrics across models.

Replacement Considerations

Check Renesas official substitution lists for direct replacements. Verify electrical parameters and pin compatibility if considering alternative parts. Ensure any substitute maintains the required jitter performance and output format support.