CY7B995AXI

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The CY7B995AXI is a clock generator, phase locked loop (PLL), and frequency synthesizer integrated circuit (IC) as part of the programmable clock generator family of Cypress Semiconductor. It is a complete clock generation and distribution solution, with unmatched jitter, flexibility, and system expansion potential. The CY7B995AXI is suitable for any system requiring high quality, stable clock sources, and has the potential to reduce system size and cost. It is highly integrated and provides power efficient, low-jitter clock generation, distribution and synchronization.

The CY7B995AXI supports a wide range of input frequencies, from 2.5 MHz to 400 MHz, and a large number of outputs, from 0 to 6, with each one having multiple dividers for a total of 28 programmable frequency dividers. The PLL and clock synthesis circuitry is on-chip, making system building easier and more efficient. The frequency range of the clock synthesizers is 0.25 MHz to 400 MHz, with an input reference range of 8 MHz to 400 MHz.

In addition, the CY7B995AXI includes two crystal oscillator circuits to enable stable and accurate clock frequency synthesis and drive the reference clock input. This design also helps reduce overall system power consumption when compared to equivalent systems. The crystal oscillator outputs signals with the frequency accuracy of 1 ppm and jitter as low as 0.4 ps rms, making it a perfect fit for high speed applications.

The CY7B995AXI integrates a number of features including programmable slew rates, tight synchronization and a scan-chain for clock configuration. It also supports multiple clock outputs, each with programmable divisions and delay, which can be used to create tailored clock solutions for a wide range of applications. In addition, the CY7B995AXI provides integrated monitoring capabilities such as spread spectrum clocking (SSC) and simple pin voltage detection.

The CY7B995AXI can be used in applications such as telecommunications, wireless base-station equipment, wireless cellular networks and many other high-speed communications systems. It supports a wide range of protocols including PCI Express, XAUI, GbET and other protocols. The CY7B995AXI is ideal for any platform requiring a robust and reliable clock solution with superior jitter performance, flexibility and total system cost reduction.

In summary, the CY7B995AXI is a highly integrated clock generator, PLL, and frequency synthesizer IC designed for applications requiring a highly accurate clock signal. It features an integrated crystal oscillator, programmable dividers, spread spectrum clocking, and a scan-chain for clock configuration. Its wide frequency range, tight synchronization, and power-saving features make it ideal for use in systems requiring high performance, robust and reliable clock solutions.

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