8T49N004A-071NLGI8

Overview

The Renesas 8T49N004A-071NLGI8 is a programmable clock generator from the FemtoClock NG series. It features one PLL circuit with LVPECL outputs, supporting frequencies up to 2.5 GHz. The device operates on a 2.375V to 3.465V supply and functions within a -40°C to 85°C temperature range. It utilizes a 32-VFQFN exposed pad package for surface mount installation.

Feature Summary

• Integrates a single phase-locked loop (PLL) circuit for precise frequency synthesis.
• Provides low-jitter LVPECL output signals suitable for high-speed digital interfaces.
• Supports flexible input configurations including HCSL, LVDS, and LVPECL standards.

Applications

• High-performance computing systems requiring precise clock distribution.
• Telecommunications infrastructure utilizing multi-gigabit serial links.
• Data center networking equipment demanding low-phase-noise timing solutions.

Procurement Notes

Verify component authenticity through authorized distributors due to potential counterfeit risks. Confirm RoHS compliance status and specific manufacturing date codes against current project requirements. Ensure proper ESD handling protocols are followed during storage and assembly processes to maintain device integrity.

Selection Notes

Select this component when a single-channel, high-frequency clock source with LVPECL outputs is required. Consider the 32-VFQFN package constraints for PCB layout. Evaluate thermal performance within the specified operating temperature range. Compare jitter specifications against target interface requirements before finalizing the design.

Part Context

This part belongs to the FemtoClock NG family, designed for advanced timing applications. It succeeds earlier generations by offering enhanced programmability and lower jitter performance. The series supports various industry-standard input and output formats, providing flexibility for complex system architectures requiring precise clock management.

Replacement Considerations

Consult official substitution guides for compatible alternatives. Verify pinout compatibility and electrical parameter alignment before replacing. Check for updated datasheets regarding any functional changes in successor models or cross-reference options from other manufacturers.