CY24900ZXC

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CY24900ZXC is an integrated clock generator, phase-locked loop (PLL), frequency synthesizer designed for various clock tree applications for data processing and transmission. It is most suitable for use in wireless local area networks (WLAN), wireless personal area networks (WPAN), and digital audio applications. The device consists of a 25 MHz reference oscillator, a PLL, and two output drivers.

The output drivers are designed to be used as clock drivers for high-speed digital data transmission and reception. The two outputs can be programmed for various clock formats, including differential LVCLK, single-ended LVCLK and SSCO, and SDC. The nominal reference frequency of 25 MHz is the reference input of the PLL. The CY24900ZXC device is powered by a 3.3V single power supply and supports HCSL output level.

The CY24900ZXC uses a PLL to optimize clock frequency by dividing the reference frequency by a given factor, called a loop frequency factor. The loop frequency is then fractionally divided by a given fractional loop frequency factor, which gives the output clock frequency. The output clock frequency can be fine-tuned by the reference frequency and the loop frequency factor. The accuracy of the PLL is controlled by a feedback divider and a loop bandwidth setting.

The CY24900ZXC supports several operating modes, including manual bypass, standard mode, and programmable mode. In manual bypass mode, the reference oscillator output is directly available at the PLL output. In standard mode, the PLL operates at a fixed frequency and loop bandwidth settings. In programmable mode, the PLL parameters, such as the reference frequency and loop bandwidth settings, can be adjusted via an I2C serial interface.

The CY24900ZXC is designed for general purpose, low noise, and low jitter clock applications. It can generate a wide range of output frequencies, ranging from 100 KHz to 300 MHz, with a jitter of less than 10ps in 10 kHz to 10 MHz operation range. The device has a selectable internal loop filter to optimize jitter performance, and the output drivers are capable of supplying frequencies up to 300 MHz with high accuracy.

The CY24900ZXC supports operating temperatures range of -40°C to 85°C and high-speed data transmission rates of up to 40 MHz. It operates at low voltage levels (1.7 – 3.6V) and is EMI- and ESD- immune, making it suitable for use in industrial and automotive applications.

In summary, the CY24900ZXC is a versatile, low noise, and low jitter clock generator and PLL that supports high-speed digital applications. It can generate frequencies up to 300 MHz and can be easily programmed via an I2C serial interface. It is suitable for a wide range of applications, such as wireless communications, digital audio, and industrial and automotive applications.

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