Datasheet4U Logo Datasheet4U.com

840002I - Crystal-to-LVCMOS/LVTTL Frequency Synthesizer

Datasheet Summary

Description

The 840002I is a 2 output LVCMOS/LVTTL Synthesizer optimized to generate Fibre Channel reference clock frequencies.

Features

  • Two LVCMOS outputs @ 3.3V, 17Ω typical output impedance.
  • Selectable crystal oscillator interface or LVCMOS single-ended input.
  • Output frequency range: 46.66MHz - 233.33MHz.
  • VCO range: 560MHz - 700MHz.
  • Supports the following output frequencies: 212.5MHz, 159.375MHz, 156.25MHz, 106.25MHz and 53.125MHz.
  • RMS phase jitter @ 212.5MHz (637KHz - 10MHz): 0.83ps (typical) Typical phase noise at 212.5MHz: Offset Noise Power 100Hz -91.3 dBc/Hz.

📥 Download Datasheet

Datasheet preview – 840002I

Datasheet Details

Part number 840002I
Manufacturer IDT
File Size 206.80 KB
Description Crystal-to-LVCMOS/LVTTL Frequency Synthesizer
Datasheet download datasheet 840002I Datasheet
Additional preview pages of the 840002I datasheet.
Other Datasheets by IDT

Full PDF Text Transcription

Click to expand full text
FemtoClocks™ Crystal-to-LVCMOS/ LVTTL Frequency Synthesizer 840002I DATASHEET GENERAL DESCRIPTION The 840002I is a 2 output LVCMOS/LVTTL Synthesizer optimized to generate Fibre Channel reference clock frequencies. Using a 26.5625MHz 18pF parallel resonant crystal, the following frequencies can be generated based on the 2 frequency select pins (F_SEL1:0): 212.5MHz, 159.375MHz, 156.25MHz, 106.25MHz, and 53.125MHz. The 840002I uses IDT’s 3rd generation low phase noise VCO technology and can achieve 1ps or lower typical rms phase jitter, easily meeting Fibre Channel jitter requirements. The 840002I is packaged in a 16-pin TSSOP package. FREQUENCY SELECT FUNCTION TABLE FEATURES • Two LVCMOS outputs @ 3.
Published: |