8T49N2183NLGI#

Overview

The 8T49N2183NLGI# is a programmable clock generator from the FemtoClock NG series by Renesas Electronics Corporation. It functions as a PLL-based frequency synthesizer designed for high-speed serial communication applications. The device supports integer and fractional synthesis modes to generate precise output frequencies with low jitter characteristics. It features multiple input and output interface options, including LVPECL, LVDS, and HCSL, allowing flexible integration into complex system architectures. The component operates within a specified voltage range and temperature environment suitable for industrial and commercial use.

Feature Summary

• Supports both integer and fractional phase-locked loop (PLL) synthesis modes for flexible frequency generation
• Features low jitter performance optimized for high-speed serial data transmission applications
• Provides configurable differential input and output interfaces including LVPECL, LVDS, and HCSL
• Integrates on-chip EEPROM for non-volatile configuration storage

Applications

• High-speed serial communication systems requiring precise clock synthesis
• Data center infrastructure equipment such as servers and switches
• Telecommunications base stations and network synchronization units
• Industrial control systems utilizing high-frequency timing signals

Procurement Notes

Verify the exact suffix 'NLGI#' against the manufacturer's official ordering guide to ensure correct package type, temperature grade, and tape/reel specifications. Confirm current availability status as this part number may be subject to obsolescence notices or production lifecycle changes. Cross-reference the datasheet revision date to ensure compatibility with your design requirements. Request official documentation directly from Renesas or authorized distributors to validate authenticity and technical parameters before procurement.

Selection Notes

Select this component when designing systems that require low-jitter clock distribution for high-speed serial links. Ensure the required input reference frequency matches the device's supported range. Verify that the output load conditions are compatible with the LVPECL or other selected output formats. Consider the thermal performance of the VFQFN package in your enclosure design. Evaluate the need for fractional versus integer synthesis based on specific frequency resolution requirements.

Part Context

This device belongs to the FemtoClock NG family of programmable clock generators. It is manufactured by Renesas Electronics Corporation, formerly IDT. The part is housed in a 32-VFQFN exposed pad package. It is classified as a timing integrated circuit intended for precision clock generation in digital systems. The product line emphasizes low phase noise and jitter attenuation capabilities.

Replacement Considerations

Consult the official Renesas cross-reference guide for verified substitute part numbers. Check for updated revisions within the same FemtoClock NG series that may offer improved performance or availability. Verify pin-to-pin compatibility and electrical parameter equivalence before substitution.