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840002I

IDT
Part Number 840002I
Manufacturer IDT
Description Crystal-to-LVCMOS/LVTTL Frequency Synthesizer
Published Jun 30, 2016
Detailed Description FemtoClocks™ Crystal-to-LVCMOS/ LVTTL Frequency Synthesizer 840002I DATASHEET GENERAL DESCRIPTION The 840002I is a 2 o...
Datasheet PDF File 840002I PDF File

840002I
840002I

Overview
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.
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 • ...


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