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NBC12439 - Programmable PLL Synthesized Clock Generator

This page provides the datasheet information for the NBC12439, a member of the NBC12439A Programmable PLL Synthesized Clock Generator family.

Description

The NBC12439 and NBC12439A are general purpose, PLL based synthesized clock sources.

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.

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 www. DataSheet4U. com.
  • Parallel Interface for Programming Counter and Output.

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Datasheet preview – NBC12439

Datasheet Details

Part number NBC12439
Manufacturer ON Semiconductor
File Size 282.75 KB
Description Programmable PLL Synthesized Clock Generator
Datasheet download datasheet NBC12439 Datasheet
Additional preview pages of the NBC12439 datasheet.

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Full PDF Text Transcription

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NBC12439, NBC12439A 3.3V/5V Programmable PLL Synthesized Clock Generator 50 MHz to 800 MHz Description The NBC12439 and NBC12439A are general purpose, PLL based synthesized clock sources. 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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