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ICS840021I Datasheet Crystal-to Lvcmos/lvttl Frequency Synthesizer

Manufacturer: Integrated Circuit Systems

Overview: Integrated Circuit Systems, Inc. ICS840021I FEMTOCLOCKS™CRYSTAL-TOLVCMOS/LVTTL CLOCK.

Datasheet Details

Part number ICS840021I
Manufacturer Integrated Circuit Systems
File Size 223.09 KB
Description CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER
Datasheet ICS840021I_IntegratedCircuitSystems.pdf

General Description

The ICS840021I is a Gigabit Ethernet Clock Generator and a member of the HiPerClocksTM HiPerClockS™ family of high performance devices from ICS.

The ICS840021I uses a 25MHz crystal to synthesize 125MHz.

The ICS840021I has excellent phase jitter performance, over the 1.875MHz – 20MHz integration range.

Key Features

  • 1 LVCMOS/LVTTL output, 15Ω output impedence.
  • Crystal oscillator interface designed for 25MHz, 18pF parallel resonant crystal.
  • Output frequency: 125MHz.
  • VCO range: 560MHz to 680MHz.
  • RMS phase jitter @ 125MHz, using a 25MHz crystal (1.875MHz - 20MHz): 0.48ps (typical) (3.3V) Offset Noise Power 100Hz -97.8 dBc/Hz 1kHz -124.6 dBc/Hz 10kHz -132.5 dBc/Hz 100kHz -131.1 dBc/Hz.
  • Voltage supply modes: VDD/VDDA = 3.3V VDD/VDDA = 2.5V.
  • -40°.

More Datasheets from Integrated Circuit Systems

Part Number Description
ICS840021 CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER
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ICS840001I CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER
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