CY22388ZXC-30T

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CY22388ZXC-30T is a clock generator, Phase-Locked Loop (PLL) frequency synthesizer that provides high-performance and low-power solutions designed for a variety of communication applications. It is specifically designed to produce low-jitter clock signals for clocking various data-modulated mixed-signal applications.

The CY22388 is a high-performance, low-power clock generator with a unique PLL-based architecture and on-chip oscillators. It provides two programmable low-frequency clock outputs, three reference clock/clock distribution outputs, and one variable frequency clock output. The variable frequency clock output provides up to 1MHz clock switching resolution. The clock inputs and outputs feature minimized jitter while providing significant flexibility in the usage of multiple clock sources. In addition, the CY22388 has integrated ESD protection on the power and clock I/O pins.

The working principle of CY22388ZXC-30T revolves around the programmable PLL frequency synthesizer which utilizes dual on-chip oscillators. The first oscillator on the chip is the reference oscillator, which is responsible for setting the frequency of both the clock outputs and the reference clocks. The second oscillator on the chip is the VCO (Variable Controlled Oscillator) which is used to control the frequency of the VCO output. The adjustable frequency of the VCO output is determined by the reference oscillator frequency and the user-programmed ratio provided by the PLL frequency synthesizer.

The CY22388 provides the flexibility and adjustability of a PLL frequency synthesizer in a convenient package. It is ideal for applications such as digital audio, frequency division multiplexing (FDM), frequency division multiple access (FDMA), satellite communications, home networking, portable computing applications, digital rights management (DRM), and digital television (DTV) among others. The frequency range of the clock outputs and VCO output can be adjusted to allow for a variety of clock frequencies. Additionally, the stop-and-go feature of the PLL frequency synthesizer means that the user can vary the reference frequency while the PLL running frequency remains constant.

The CY22388ZXC-30T is an ideal device for applications where low-power, low-jitter, clock generation is required and a wide range of clock frequencies can be used. It also has a small form factor and is easy to integrate, making it suitable for a variety of applications in communication, consumer, and industrial systems. This device offers a unique combination of features such as high-performance, low-jitter clock distribution, programmability, integrated ESD protection, and a robust PLL frequency synthesizer that provides high-precision clock switching.

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