Download NBC12439A Datasheet PDF
NBC12439A page 2
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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.

NBC12439A Key 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
  • Minimal Frequency Overshoot
  • Serial 3-Wire Programming Interface
  • Crystal Oscillator Inputs 10 MHz to 20 MHz
  • Operating Range: VCC = 3.135 V to 5.25 V
  • CMOS and TTL patible Control Inputs
  • Pin and Function patible with Motorola MC12439 and