CYIFS781BZXC

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Clock generators, also known as phase-locked-loop (PLL) frequency synthesizers, are used to lock the frequency and phase of a signal to a reference frequency or signal. These components are used in many applications, such as CPUs, microprocessors, mass storage devices, and telecom systems. The CYIFS781BZXC is an example of such a clock generator.

The CYIFS781BZXC is a low-power, low-jitter clock generator designed for use in applications that require an output frequency from 100 KHz to 166 MHz. It features an on-chip charge pump, which enables it to generate an output frequency that is locked to an external reference clock. It also features a selectable spread spectrum function, which reduces EMI by spreading the output spectral lines over a narrow frequency range. This allows the device to be used in applications where EMI must be minimized.

The CYIFS781BZXC is a fractional-N frequency synthesizer that uses a digital loop filter and phase-frequency detector, which can be programmed to lock to a wide range of frequencies over a ±50ppm range. The device also uses a selectable prescale block that can be used to increase the resolution at which the output frequency is synthesized. This allows the CYIFS781BZXC to generate frequencies that are more precise than what is typically achievable with other crystal-based clock generators.

The CYIFS781BZXC has several features that make it suitable for a wide range of applications. It features ultra-low jitter, which makes it perfect for applications that require precise timing, such as cellular base station clocks and telecom systems. The device is also capable of generating frequencies that are higher than what is typically achievable with other clock generators. Lastly, the device is capable of powering up from a 3V or 5V supply. This makes it ideal for battery-powered applications.

In summary, the CYIFS781BZXC is a low-power, low-jitter clock generator designed for use in applications that require an output frequency from 100 KHz to 166 MHz. It features an on-chip charge pump, which enables it to generate an output frequency that is locked to an external reference clock. The device also has a selectable spread spectrum function, which reduces EMI by spreading the output spectral lines over a narrow frequency range. The CYIFS781BZXC is well-suited for applications that require precise timing and high-frequency outputs, making it an ideal choice for a wide range of applications.

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