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ZL30237 - Dual Channel Universal NCO Clock Generator

General Description

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Key Features

  • Generates clock signals at power-up per user defined custom OTP (One Time Programmable) configuration.
  • Operates from a single crystal resonator, clock oscillator or voltage controlled oscillator.
  • Two independently programmable Numerically Controlled Oscillators (NCOs) generate any clock rate from 1 kHz to 750 MHz.
  • NCOs generate clocks with jitter below 0.7 ps RMS for 10 G PHYs.
  • Frequency of each synthesizers can be fine tuned up to +/-0.5% by corresp.

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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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Features • Generates clock signals at power-up per user defined custom OTP (One Time Programmable) configuration • Operates from a single crystal resonator, clock oscillator or voltage controlled oscillator • Two independently programmable Numerically Controlled Oscillators (NCOs) generate any clock rate from 1 kHz to 750 MHz • NCOs generate clocks with jitter below 0.7 ps RMS for 10 G PHYs • Frequency of each synthesizers can be fine tuned up to +/-0.5% by corresponding fine frequency adjustment circuit with resolution of 0.24 ppb • Fine frequency adjustment circuit dynamically configurable via SPI/I2C interface • Supports programmable frequency offsets for clock margining. • Eight LVPECL outputs; max rate 750 MHz • Four LVCMOS outputs; max rate 177.