8T49N008A-053NLGI

Overview

The 8T49N008A-053NLGI is a high-performance clock generator from the FemtoClock NG series by Renesas Electronics. It produces multiple output clocks from a single input signal, supporting LVPECL outputs. The device features an integrated PLL with bypass capability and accepts crystal inputs. Packaged in a 40-VFQFN exposed pad configuration, it operates as a frequency synthesizer for precise timing applications.

Feature Summary

• Generates multiple clock signals from a single input source
• Integrates a Phase-Locked Loop (PLL) with bypass functionality
• Supports LVPECL output interface standards
• Designed for low jitter performance within the FemtoClock NG family

Applications

• High-speed data communication systems requiring precise clock distribution
• Network infrastructure equipment utilizing LVPECL interfaces
• Test and measurement instruments needing stable frequency synthesis
• Computing platforms requiring multi-clock generation from a single reference

Procurement Notes

This component is officially listed as obsolete and no longer manufactured by Renesas Electronics. Procurement should focus on identifying authorized substitutes or alternative sources for remaining stock. Verify part authenticity carefully due to end-of-life status. Check for official product change notices or discontinuance notifications before integration into new designs.

Selection Notes

Select this part only for legacy system maintenance or replacement scenarios where the original design specifications are mandatory. For new designs, consider active alternatives that offer similar LVPECL output capabilities and FemtoClock NG performance characteristics. Ensure compatibility with existing crystal input requirements and package constraints during substitution analysis.

Part Context

Part of the FemtoClock NG series, designed for advanced timing solutions. The 8T49N008A variant specifically targets applications requiring differential LVPECL outputs. It belongs to the broader category of clock generators and support products, serving as a key component in complex electronic systems demanding high-frequency stability.

Replacement Considerations

Officially recommended substitute: RC21008B000GND#BB0. Verify electrical compatibility and pinout alignment when transitioning to this alternative. Ensure the substitute supports the required LVPECL outputs and crystal input configuration to maintain system integrity.