8T49N004A-045NLGI

Overview

The 8T49N004A-045NLGI is a FemtoClock NG clock generator manufactured by Renesas Electronics Corporation. It operates within a supply voltage range of 2.375V to 3.465V and supports an input frequency up to 100MHz. The device features one circuit with a 1:4 input-to-output ratio, utilizing LVPECL for both differential input and output signals. It is housed in a 32-VFQFN package with exposed pads, measuring 5x5 mm, and is designed for surface mount installation.

Feature Summary

• Supports HCSL, LVDS, and LVPECL input formats with LVPECL outputs
• Integrated PLL with bypass capability for flexible clock generation
• Designed for low jitter performance in demanding applications

Applications

• High-performance computing systems requiring precise frequency synthesis
• Telecommunications infrastructure equipment
• Data center interconnects

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix matches the required operational parameters. Check for recent Product Change Notices regarding assembly sites or labeling updates. Ensure compliance with RoHS3 specifications and moisture sensitivity level requirements during handling and storage procedures.

Selection Notes

Select this component when LVPECL signaling is required for high-speed data transmission. Consider the 32-VFQFN package constraints for PCB layout. Evaluate thermal dissipation needs due to the exposed pad design. Verify that the 100MHz maximum input frequency aligns with system reference clock capabilities.

Part Context

This part belongs to the FemtoClock NG series, which focuses on precision clock generation. It serves as a critical timing element in complex electronic systems where signal integrity is paramount. The series is known for supporting various input standards while providing clean, stable output clocks for downstream components.

Replacement Considerations

Consult official cross-reference guides for compatible alternatives. Verify pinout compatibility and electrical parameter alignment before substitution. Ensure the replacement maintains the same package dimensions and thermal characteristics.