NBC12439A Overview
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