8T49N004A-061NLGI

Overview

The 8T49N004A-061NLGI is a programmable clock generator from the FemtoClock NG series by Renesas Electronics. It features four selectable LVDS or LVPECL outputs and accepts differential inputs including LVPECL, LVDS, and HCSL. The device utilizes fourth-generation PLL technology with a VCO range of 1.9GHz to 2.55GHz. It operates on a full 2.5V or 3.3V power supply and supports an I2C programming interface. The component functions within an ambient operating temperature range of -40°C to 85°C.

Feature Summary

• Generates up to four distinct output frequencies from a single crystal or reference clock input
• Maintains excellent phase noise performance using fourth-generation FemtoClock NG PLL technology
• Supports configurable output voltage levels for both 2.5V and 3.3V system requirements

Applications

• High-performance computing systems requiring precise timing signals
• Telecommunications infrastructure utilizing low jitter clock distribution
• Data acquisition equipment demanding stable frequency synthesis

Procurement Notes

Verify the specific suffix code against official Renesas documentation to confirm exact electrical parameters and package variations. Confirm current availability status as product lifecycles may change. Ensure compatibility with existing board layouts and power supply designs before integration.

Selection Notes

Select this component when multiple differential clock outputs are required from a single source. Evaluate the specific output voltage requirements to determine between 2.5V or 3.3V operation. Consider the input signal type to ensure compatibility with available reference clocks or crystals.

Part Context

This part belongs to the FemtoClock NG family, designed for ultra-low jitter applications. It serves as a versatile solution for generating precise clock signals in complex digital systems. The series is known for high flexibility through I2C configuration and robust performance across industrial temperature ranges.

Replacement Considerations

Consult official substitution guides for compatible alternatives within the FemtoClock portfolio. Verify pinout and electrical specifications match before replacing. Check for any end-of-life notifications or recommended design upgrades.