CY22381SXI-146

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Clock/Timing – Clock Generators, PLLs, Frequency Synthesizers

CY22381SXI-146

The CY22381SXI-146 is a Clock Generator, PLL, and Frequency Synthesizer from Cypress Semiconductor. It is a highly flexible device that includes a crystal oscillator, a source driver, and a programmable divider. The overall functionality of the chip is to provide a low-power and low-jitter clock signal, while also providing excellent accuracy and performance.

Application Field

This CY22381SXI-146 chip can be used in various applications such as wireless and mobile, networking, and computing devices. It offers the flexibility to scale between space-constrained and high-performance performance devices. It can also be used for audio and video applications, where low-power, high-accuracy, and low-jitter clocking are essential. CY22381SXI-146 also has excellent power efficiency due to its low-swing open-collector driver.

Working Principle

The device consists of a programmable crystal oscillator, a source driver, and a programmable divider. The crystal oscillator operates by inputting two signals, a clock input and an enable line. When the inputs are asserted, the oscillator will start running and generating a high-frequency output signal. This signal is then up-converted by a source driver to an even higher frequency, and the output is sent to the programmable divider. The divider divides the frequency of the output clock to obtain the desired output frequency. The programmable divider is responsible for setting the accuracy and precision of the output clock. It can also be programmed to produce a wide range of output frequencies and duty cycles. The device offers exceptional flexibility when it comes to clocking solutions for various applications and also includes built-in features that guarantee compliance with frequency limitations.

In conclusion, the CY22381SXI-146 is a highly flexible device that can be used in a wide range of applications. Its features guarantee low-power, low-jitter, and excellent accuracy, while providing the flexibility to scale between different applications. With the programmable crystal oscillator, source driver, and programmable divider, it stands out as one of the most versatile clocking solutions and is ideal for applications such as wireless and mobile devices, computing and audio/video applications.

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