CY22801KSXC-024T

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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers

CY22801KSXC-024T is a highly integrated clock converter IC, including an oscillator and synthesizer circuit, a PLL circuit and a buffer circuit, and can provide clock signals that meet the requirements of various system clock applications.

Application Field

The CY22801KSXC-024T is suitable for data communications, communications infrastructure, storage and portable computing, consumer electronics and other applications that require high frequency clock signals.

Working Principle

CY22801KSXC-024T uses an oscillator and synthesizer circuit to generate a high-frequency clock signal, which is then locked to a reference system clock signal. The circuit then converts the output frequency of the oscillator and synthesizer circuit by adjusting the phase frequency of the clock signal. This phase-frequency adjustment is achieved by using a phase-locked loop (PLL) circuit. The PLL circuit locks the clock frequency by comparing the reference system clock signal to the generated clock signal. When the comparison is satisfied, the PLL circuit sends the converted clock signal to the buffer circuit, which provides a strong output signal.

The CY22801KSXC-024T also integrates a temperature compensation circuit to ensure that the converted clock is not affected by the temperature fluctuations. This temperature compensation circuit adjusts the PLL circuit’s response time to stabilize the frequency of the clock signal output.

The integrated oscillator and synthesizer circuit of the CY22801KSXC-024T can generate clock frequencies up to 1000MHz. With the PLL circuit, the output frequency can be adjusted in three ranges: 0.25 ~ 400MHz, 800 ~ 1000MHz, and 720 ~ 960MHz. It also offers a wide range of clock waveforms, including multi-phase output, LVDS, fan-out LVDS, fan-out LVTTL, LVPECL and HCSL.

The CY22801KSXC-024T also integrates an adaptive Differential Non-linearity (DNL) algorithm for further clock signal optimization. The DNL algorithm reduces the clock signal skew significantly, which improves signal integrity. The DNL algorithm also provides a very tight jitter performance for the generated clock signal.

Conclusion

The CY22801KSXC-024T is a highly integrated clock converter IC that is ideal for a variety of system clock applications, such as data communications, communications infrastructure, storage and portable computing, consumer electronics and more. It utilizes an oscillator and synthesizer circuit to generate high-frequency clock signals, a PLL circuit to convert the output frequency, and a buffer circuit to provide a strong output signal. Moreover, the integrated temperature compensation circuit and DNL algorithm make sure the clock signals are not affected by the temperature fluctuations and can provide very tight jitter performance.

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