FemtoClock® Crystal-to-LVDS Frequency Synthesizer 844002 DATASHEET GENERAL DESCRIPTION The 844002 is a 2 output LVDS 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_SEL[1:0]): 212.
5MHz, 187.
5MHz, 159.
375MHz, 106.
25MHz and 53.
125MHz.
The 844002 uses IDT’s 3rd generation low phase noise VCO technology and can achieve 1ps typical rms phase jitter, easily meeting Fibre Channel jitter requirements.
The 844002 is packaged in a small 20-pin TSSOP package.
FEATURES • Two LVDS outputs • Selectable crystal oscillator interface or LVCMOS/L...

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