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CY2XP22 - Crystal to LVPECL Clock Generator

Description

The CY2XP22 is a PLL (Phase Locked Loop) based high performance clock generator that uses an external reference crystal.

It is specifically targeted at FibreChannel and Gigabit Ethernet applications.

It produces a selectable output frequency that is 2.5 or 5 times the crystal frequency.

Features

  • Pb-free 8-Pin TSSOP package Supply voltage: 3.3 V or 2.5 V Commercial and Industrial temperature ranges One LVPECL output pair Selectable frequency multiplication: x2.5 or x5 External crystal frequency: 25.0 MHz Output frequency: 62.5 MHz or 125 MHz Low RMS phase jitter at 125 MHz, using 25 MHz crystal (1.875 MHz to 20 MHz): 0.4 ps (typical) Phase noise at 125 MHz (typical): Offset 1 kHz 10 kHz 100 kHz 1 MHz Noise Power.
  • 117 dBc/Hz.

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Full PDF Text Transcription

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CY2XP22 Crystal to LVPECL Clock Generator Features ■ ■ ■ ■ ■ ■ ■ ■ ■ Pb-free 8-Pin TSSOP package Supply voltage: 3.3 V or 2.5 V Commercial and Industrial temperature ranges One LVPECL output pair Selectable frequency multiplication: x2.5 or x5 External crystal frequency: 25.0 MHz Output frequency: 62.5 MHz or 125 MHz Low RMS phase jitter at 125 MHz, using 25 MHz crystal (1.875 MHz to 20 MHz): 0.4 ps (typical) Phase noise at 125 MHz (typical): Offset 1 kHz 10 kHz 100 kHz 1 MHz Noise Power –117 dBc/Hz –126 dBc/Hz –131 dBc/Hz –131 dBc/Hz Functional Description The CY2XP22 is a PLL (Phase Locked Loop) based high performance clock generator that uses an external reference crystal. It is specifically targeted at FibreChannel and Gigabit Ethernet applications.
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