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ICS844004I Datasheet Crystal-to-lvds Frequency Synthesizer

Manufacturer: ICS

Overview: www.DataSheet4U.com PRELIMINARY Integrated Circuit Systems, Inc.

Datasheet Details

Part number ICS844004I
Manufacturer ICS
File Size 206.08 KB
Description CRYSTAL-TO-LVDS FREQUENCY SYNTHESIZER
Datasheet ICS844004I_ICS.pdf

General Description

The ICS844004I is a 4 output LVDS Synthesizer optimized to generate Fibre Channel reference HiPerClockS™ clock frequencies and is a member of the HiPerClocksTM family of high performance clock solutions from ICS.

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, 156.25MHz, 106.25MHz and 53.125MHz.

The ICS844004I uses ICS’ 3rd generation low phase noise VCO technology and can achieve <1ps typical rms phase jitter, easily meeting Fibre Channel jitter requirements.

Key Features

  • Four LVDS outputs.
  • Selectable crystal oscillator interface or LVCMOS/LVTTL single-ended input.
  • Supports the following output frequencies: 212.5MHz, 187.5MHz, 159.375MHz, 156.25MHz, 106.25MHz, 53.125MHz.
  • VCO range: 560MHz - 680MHz.
  • RMS phase jitter @ 212.5MHz, using a 26.5625MHz crystal (637KHz - 10MHz): 0.65ps (typical).
  • Full 3.3V or 2.5V supply modes.
  • -40°C to 85°C ambient operating temperature.

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