8T49N222B-004NLGI

Overview

The 8T49N222B-004NLGI is a low-jitter, spread-spectrum clock generator from Renesas. It features an integrated voltage-controlled crystal oscillator (VCXO) and supports input frequencies up to 150 MHz. The device provides multiple output clocks with programmable frequencies and duty cycles. It operates on a single 3.3V supply and includes I2C configuration capabilities for flexible system integration.

Feature Summary

• Integrated VCXO reduces component count and board space
• Spread-spectrum clocking capability for EMI reduction
• Low phase jitter performance suitable for high-speed interfaces
• Flexible output configuration via I2C interface

Applications

• High-speed serial link clock generation
• Server and storage system timing
• Networking equipment clock distribution
• Industrial control systems requiring precise timing

Procurement Notes

Verify the specific suffix '004NLGI' against the manufacturer's current datasheet to confirm pinout, package type, and operating temperature range. Ensure the I2C address and configuration settings match your system requirements before procurement.

Selection Notes

Select this component when low jitter and spread-spectrum functionality are required in a compact form factor. Consider the input frequency range and output requirements to ensure compatibility with your target application's timing specifications.

Part Context

This part belongs to the 8T49N222B family of clock generators designed for demanding applications. It offers a balance of performance and integration, making it suitable for designs where space and power efficiency are critical constraints alongside signal integrity requirements.

Replacement Considerations

Check for direct substitutes within the same family or newer revisions from Renesas. Verify electrical parameters and pin compatibility if considering alternative vendors.