CY7B992-7JXCT

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CY7B992-7JXCT is a clock generator designed specifically for PCI Express applications. It is ideal for applications where multiple PCI Express lanes require a low-jitter clock generator. This clock generator is available in a 5 mm × 5 mm VFQFPN package and provides a low-jitter output frequency from 2.5 GHz to 4.7 GHz. The output frequency is digitally tuned, allowing for a wide range of frequencies to be generated, regardless of the target frequency. This makes it suitable for a range of applications which require low-jitter outputs.

One of the main applications of CY7B992-7JXCT is in server systems. The device is used to generate the clock signals for multiple components within the system, such as network interface cards, for example. The low-jitter clock generator helps to reduce latency and noise within the system, which can help improve system performance. Additionally, this clock generator can be used to replace an expensive Oscillator within a system, as it provides low-jitter output which is not affected by temperature changes or other environmental factors.

The CY7B992-7JXCT uses a phase-locked loop (PLL) to generate the low-jitter clock signals. A PLL is a closed-loop feedback arrangement which locks the output frequency of the device to the input frequency. The loop contains a programmable oscillator, which forms the oscillator section of the PLL, and a phase detector which monitors the phases of the input and output signals. If a difference is detected between the two phases the oscillator section will adjust accordingly to maintain the output frequency. This makes the device suitable for applications which require a regulated, low jitter clock.

The clock generator is programmed using a 3-wire serial interface, which allows for the output frequency to be digitally tuned. This makes the CY7B992-7JXCT suitable for a range of frequencies, as it is not limited to a particular target frequency. The device also provides a spread-spectrum output, which helps to reduce radiated EMI.

In conclusion, the CY7B992-7JXCT clock generator is ideal for applications requiring a low-jitter output. It is ideal for servers, as it helps to reduce latency and improve system performance. Additionally, the device is digitally tunable, allowing for a wide range of frequencies to be generated, regardless of the target frequency. Finally, the CY7B992-7JXCT uses a PLL to generate the low jitter output, making it suitable for applications which require a regulated, low-jitter output.

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