8V19N478 Datasheet NG Jitter Attenuator and Clock Synthesizer

Manufacturer: IDT

8V19N478 ng jitter attenuator and clock synthesizer by IDT - Datasheet Preview

Datasheet Details

Part number	8V19N478
Manufacturer	IDT
File Size	1.02 MB
Description	NG Jitter Attenuator and Clock Synthesizer
Download	8V19N478 Download (PDF)

General Description

The 8V19N478 is a fully integrated FemtoClock NG jitter attenuator and clock synthesizer designed as a high-performance clock solution for conditioning and frequency/phase management of 10/40/100/400 Gigabit-Ethernet line cards.

The device is optimized to deliver excellent phase noise performance as required to drive physical layer devices, and provides the clean clock frequencies of 625MHz, 500MHz, 312.5MHz, 250MHz, 156.25MHz, and 125MHz.

A two-stage PLL architecture supports both jitter attenuation and frequency multiplication.

Overview

FemtoClock® NG Jitter Attenuator and Clock Synthesizer 8V19N478 Datasheet.

Key Features

High-performance clock RF-PLL:.
Optimized for low phase noise: -157.7dBc/Hz (1MHz offset; 156.25MHz clock), design target.
Integrated phase noise, RMS (12kHz.
20MHz): 73fs (typical), design target.
Dual-PLL architecture:.
1st-PLL stage with external VCXO for clock jitter attenuation.
2nd-PLL stage with internal FemtoClock NG PLL at 2500MHz.
Four output banks with a total of 18 outputs, organized in:.
Three clock banks with one i.

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