PI6C490086LE

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The PI6C490086LE is a clock generator, phase-locked loop (PLL) and frequency synthesizer by IDT. It can function as an accurate and versatile clock generator to generate a wide range of low jitter clocks from any reference clock. It can also be used as a PLL to multiply, divide and phase shift a reference clock. As a frequency synthesizer it is capable of selecting from 11 different frequencies, operating in either single-ended or differential outputs for different signal nodes.

The main application of the PI6C490086LE is to provide reference clock distribution and timing to service providers in the telecom, storage, and computing fields. These applications require precise synchronization and timing of data and power. This device can be used in conjunction with other systems to provide up to 2GHz clock generation with jitter low enough to meet the minimum requirements of these applications.

The working principle of the PI6C490086LE is based on two key components. The first component is the phase-frequency detector (PFD) which measures the phase difference between the reference clock and feedback clock and controls the charge pump accordingly. The second component is the voltage controlled oscillator (VCO) which is connected to the PFD and adjusts the output frequency based on the output from the charge pump. This allows the output frequency to be precisely controlled and regulated according to the input signals.

The PI6C490086LE can operate in either single-ended or differential output. It can generate outputs from 12MHz to 2GHz with 0.5ps RMS of jitter using an external reference clock. The device also has advanced spread spectrum algorithms to reduce the EMI radiation from the generated frequencies. The PI6C490086LE is a reliable, low-cost and low-power device suitable for a number of timing and synchronization applications.

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