CY2308SI-3

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The CY2308SI-3 is a high-performance, low-jitter, actively-cooled clock generator. It is designed to drive any number of non-synchronous clocks with higher accuracy, increased efficiency, and better jitter characteristics than other passive clock generators. It is suitable for use in a wide range of applications, including clock tests, telecommunications platforms, high-performance computing, as well as video, imaging and audio applications.

Integrated on a single die, the CY2308SI-3 clock generator consists of a phase-locked loop (PLL), phase-frequency detector (PFD), and digitally-controlled oscillator (DCO). The PLL is responsible for locking the clock generator\'s output frequency to an external reference, the PFD holds the phase and frequency detector to the reference frequency, and the DCO adjusts the internal clock frequency.

The PLL works on the principle of frequency synthesis. It takes in an input from an external reference clock at a frequency that is divided down to a suitably low frequency for processing. The PFD compares this reference frequency with the output frequency of the internal DCO. Using feedback from the PFD, the PLL will adjust the output frequency of the DCO to match the reference frequency. The reference frequency can then be multiplied up to the desired output frequency and the PLL will prevent any jitter or cycle slip that may occur.

The CY2308SI-3 clock generator incorporates a wide range of frequency synthesis and signal output features. Its on-chip digital calibration allows for the accurate adjustment of the device\'s internal frequency, while its adjustable duty cycle supports a wide range of clock frequency ratios. It can generate up to four differential outputs at single frequency, or two differential outputs at independent frequencies. The device also features integrated clock tuning, low-jitter clock synchronization, adjustable slew rate control and an SPI interface for programming.

The CY2308SI-3 clock generator is a high-performance, low-jitter solution for any application where precise clock signal generation is required. Its wide range of features and integrated calibration make it ideal for use in telecommunications, video, high-performance computing and audio applications. With its low-jitter performance, it is sure to provide reliable high-accuracy clock signals.

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