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844N255I Datasheet NG Crystal-to-LVDS Clock Synthesizer

Manufacturer: IDT

Datasheet Details

Part number 844N255I
Manufacturer IDT
File Size 688.33 KB
Description NG Crystal-to-LVDS Clock Synthesizer
Download 844N255I Download (PDF)

General Description

The 844N255I is a 6-output clock synthesizer designed for wireless infrastructure clock applications.

The device uses IDT’s fourth generation FemtoClock® NG technology for an optimum of high clock frequency and low phase noise performance, combined with a low power consumption and high power supply noise rejection.

The reference frequency is selectable and the following frequency is supported: 25MHz.

Overview

FemtoClock® NG Crystal-to-LVDS Clock Synthesizer 844N255I Data Sheet.

Key Features

  • 4TH generation FemtoClock® NG technology.
  • Selectable 156.25MHz, 125MHz, 100MHz, 50MHz and 25MHz output clock signals synthesized from a 25MHz reference frequency.
  • Six differential LVDS clock outputs.
  • Crystal interface designed for a 25MHz crystal.
  • RMS phase jitter @ 156.25MHz, using a 25MHz crystal (1MHz - 20MHz): 0.27ps (typical).
  • Internal regulator for optimum noise rejection.
  • LVCMOS interface levels for the frequency select and o.