CY22801KSXC-155T

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The CY22801KSXC-155T is a DeviceNet-complaint Clock Generator, PLL, Frequency Synthesizer. It is used to operate industrial networks with multiple nodes. This product is designed to provide very low-jitter signal output and to support the reliable, timely and accurate data exchanges between nodes.

The CY22801KSXC-155T is able to generate frequency dividers/multipliers and synchronized outputs and is also capable of synchronizing any type of clock signal which can be referenced from the DeviceNet output frequency or from the PowerGood signal input. It also provides a programmable output delay that can be used to shift the respective outputs from the clock frequency.

The CY22801KSXC-155T has the capacity to operate up to 8 ports including the main input and the delay output port. It has the capability to generate clock frequencies of 155 MHz with a frequency resolution of 0.2 ppm over the entire 8 divided/multiplied output ports. The outputs can be adjusted to frequencies of any possible division or multiplication multiple up to the FSDL of the chip.

The application field of the CY22801KSXC-155T is mainly in industrial networks like DeviceNet, Profibus and etc.; it is mainly used with distributed control systems (DCS) and process control systems (PCS), where distributed data communications is required. This product is also designed to synchronize with any type of external clock signal referenced through the DeviceNet signals or PowerGood signals.

The working principle of the CY22801KSXC-155T is mainly based on PLLs. It consists of two main parts: a voltage-controlled oscillator (VCO) and a phase frequency detector. The VCO controls the oscillation frequency based on the set frequency divider/multiplier input. The phase frequency detector compares the input frequency with the output frequency generated by the VCO to ensure they are in synchronization. This synchronization enables the device to provide a reliable, low-jitter output. The outputs of the CY22801KSXC-155T are generated using the frequency dividers/multipliers, programmed to produce multiple frequencies from the VCO. The output of the programmable delay is shifted from the main clock frequency to provide further clock accuracy.

The CY22801KSXC-155T is a great tool for industrial networks operating multiple nodes; its ability to generate frequency dividers/multipliers and synchronized outputs ensures reliable, low-jitter output for accurate and timely data exchange. It follows the working principles of PLLs to maintain accurate output frequency and provide a programmable output delay for greater clock accuracy.

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