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NBC12439A - Programmable PLL Synthesized Clock Generator

Description

source.

The VCO will operate over a frequency range of 400 MHz to 800 MHz.

output divider, where it can be configured to provide division ratios of 1, 2, 4 or 8.

Features

  • Best.
  • in.
  • Class Output Jitter Performance, ±20 ps Peak.
  • to.
  • Peak.
  • 50 MHz to 800 MHz Programmable Differential PECL Outputs.
  • Fully Integrated Phase.
  • Lock.
  • Loop with Internal Loop Filter.
  • Parallel Interface for Programming Counter and Output Dividers During Powerup.
  • Minimal Frequency Overshoot.
  • Serial 3.
  • Wire Programming Interface.
  • Crystal Oscillator Inputs 10 MHz to 20 MHz.
  • Op.

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Datasheet preview – NBC12439A

Datasheet Details

Part number NBC12439A
Manufacturer ON Semiconductor
File Size 282.75 KB
Description Programmable PLL Synthesized Clock Generator
Datasheet download datasheet NBC12439A Datasheet
Additional preview pages of the NBC12439A datasheet.

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Full PDF Text Transcription

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3.3 V/5 V Programmable PLL Synthesized Clock Generator 50 MHz to 800 MHz NBC12439A Description The NBC12439A is a general purpose, PLL based synthesized clock source. The VCO will operate over a frequency range of 400 MHz to 800 MHz. The VCO frequency is sent to the N−output divider, where it can be configured to provide division ratios of 1, 2, 4 or 8. The VCO and output frequency can be programmed using the parallel or serial interfaces to the configuration logic. Output frequency steps of 16 MHz, 8 MHz, 4 MHz, or 2 MHz can be achieved using a 16 MHz crystal, depending on the output divider settings. The PLL loop filter is fully integrated and does not require any external components.
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