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ICS84021 - CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER

Description

The ICS84021 is a general purpose, Crystal-toLVCMOS/LVTTL High Frequency Synthesizer HiPerClockS™ and a member of the HiPerClockS™ family of High Performance Clock Solutions from ICS.

The ICS84021 has a selectable TEST_CLK or crystal input.

The VCO operates at a frequency range of 620MHz to 780MHz.

Features

  • 2 LVCMOS/LVTTL outputs.
  • Selectable crystal oscillator interface or LVCMOS/LVTTL TEST_CLK.
  • Output frequency range: 103.3MHz to 260MHz.
  • Crystal input frequency range: 14MHz to 40MHz.
  • VCO range: 620MHz to 780MHz.
  • Parallel or serial interface for programming counter and output dividers.
  • RMS period jitter: 4.3ps (typical) (N ÷ 4, VDDO = 3.3V ± 5%).
  • RMS phase jitter at 155.52MHz, using a 38.88MHz crystal (12KHz to 20MHz): 2.88ps.

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Datasheet Details

Part number ICS84021
Manufacturer Integrated Circuit Systems
File Size 280.08 KB
Description CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER
Datasheet download datasheet ICS84021 Datasheet

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Full PDF Text Transcription

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Integrated Circuit Systems, Inc. ICS84021 260MHZ, CRYSTAL-TO-LVCMOS / LVTTL FREQUENCY SYNTHESIZER FEATURES • 2 LVCMOS/LVTTL outputs • Selectable crystal oscillator interface or LVCMOS/LVTTL TEST_CLK • Output frequency range: 103.3MHz to 260MHz • Crystal input frequency range: 14MHz to 40MHz • VCO range: 620MHz to 780MHz • Parallel or serial interface for programming counter and output dividers • RMS period jitter: 4.3ps (typical) (N ÷ 4, VDDO = 3.3V ± 5%) • RMS phase jitter at 155.52MHz, using a 38.88MHz crystal (12KHz to 20MHz): 2.88ps (typical) Phase noise: 155.52MHz Offset Noise Power 100Hz ................. -93.7 dBc/Hz 1KHz ............... -111.3 dBc/Hz 10KHz ............... -120.4 dBc/Hz 100KHz ............... -125.1 dBc/Hz • Full 3.3V or mixed 3.3V core/2.5V or 1.
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