8T49N203ANLGI8

Description：IC TIMING CLOCK
Series：-

SKU:939543e1425d Category: Clock Generators, PLLs, Frequency Synthesizers Brand: Renesas Electronics Corporation

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Product introduction

Product Detailed Parameters

Description：IC TIMING CLOCK
Series：-
Package：Tape & Reel (TR)
Mfr：Renesas Electronics Corporation
PLL：-
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Output：-
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8T49N203ANLGI8

Overview

The Renesas Electronics Corporation 8T49N203ANLGI8 is a FemtoClock NG Universal Frequency Translator and Synthesizer. It generates output frequencies from 0.98MHz to 1,300MHz using two differential inputs (LVPECL, LVDS, LVHSTL, HCSL) or a crystal input (16MHz-40MHz). The device features two individually programmable LVPECL or LVDS outputs with 2.5V or 3.3V levels. It supports three operating modes: Frequency Synthesizer, High-Bandwidth Frequency Translator, and Low-Bandwidth Frequency Translator. Supply voltage ranges are 2.375V to 3.465V for VCC/VCCA and 2.375V to 3.465V for VCCO. Operating temperature is -40°C to 85°C.

Feature Summary

Fourth-generation FemtoClock NG technology with low phase noise
Two factory-programmable default power-up configurations via OTP memory
I2C serial interface for register programming and post-power-up reconfiguration
RMS phase jitter of 439fs (typical) at 155.52MHz in Low Bandwidth Mode

Applications

Networking and communications applications
PCI Express and computing systems
General purpose frequency translation

Procurement Notes

Verify the component status as discontinued based on distributor records. Confirm availability of replacement parts such as the 8T49N241 series if sourcing new inventory is required. Ensure compatibility with existing I2C addressing and configuration pin settings during procurement planning.

Selection Notes

Select this component when zero ppm frequency translation is required between disparate input and output frequencies. Choose the Low-Bandwidth mode for jitter attenuation using an external crystal, or High-Bandwidth mode for tracking spread-spectrum modulation. Verify that the required output frequency falls within the supported divider ranges defined in the datasheet tables.

Part Context

This part belongs to the IDT8T49N203I family of Universal Frequency Translators. It utilizes fourth-generation FemtoClock NG technology to provide flexible clock generation capabilities. The device integrates alarm and monitoring functions suitable for high-reliability networking environments.