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ICS840001 - CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER

General Description

The ICS840001 is a Fibre Channel Clock Generator and a member of the HiPerClocksTM HiPerClockS™ family of high performance devices from ICS.

The ICS840001 uses a 26.5625MHz crystal to synthesize either 106.25MHz or 212.5MHz, using the FREQ_SEL pin.

Key Features

  • 1 LVCMOS/LVTTL output, 7Ω typical output impedence.
  • Crystal oscillator interface designed for 26.5625MHz, 18pF parallel resonant crystal.
  • Selectable 106.25MHz or 212.5MHz output frequency.
  • VCO range: 560MHz to 680MHz.
  • RMS phase jitter @ 106.25MHz, using a 26.5625MHz crystal (637KHz - 10MHz): 0.696ps (typical).
  • RMS phase noise at 106.25MHz (typical) Phase noise: Offset Noise Power 100Hz -94.4 dBc/Hz 1KHz -119.9 dBc/Hz 10KHz -130.2 dBc/Hz 1.

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Datasheet Details

Part number ICS840001
Manufacturer Integrated Circuit Systems
File Size 233.34 KB
Description CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER
Datasheet download datasheet ICS840001 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Integrated Circuit Systems, Inc. ICS840001 FEMTOCLOCKS™ CRYSTAL-TOLVCMOS/LVTTL CLOCK GENERATOR FEATURES • 1 LVCMOS/LVTTL output, 7Ω typical output impedence • Crystal oscillator interface designed for 26.5625MHz, 18pF parallel resonant crystal • Selectable 106.25MHz or 212.5MHz output frequency • VCO range: 560MHz to 680MHz • RMS phase jitter @ 106.25MHz, using a 26.5625MHz crystal (637KHz - 10MHz): 0.696ps (typical) • RMS phase noise at 106.25MHz (typical) Phase noise: Offset Noise Power 100Hz ............... -94.4 dBc/Hz 1KHz .............. -119.9 dBc/Hz 10KHz .............. -130.2 dBc/Hz 100KHz .............. -131.5 dBc/Hz • 3.