CY25402SXC-012

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The CY25402SXC-012 is part of Cypress Semiconductor\'s Clock/Timing catalog of products, specifically identified as a Clock Generator, Phase-Locked Loop (PLL), Frequency Synthesizer. The device is a low-power, small form-factor clock generator / PLL solution that operates with a wide output range of 1-160MHz.

The device integrates a digital phase-frequency detector, highly linear charge pump, internal reference, and a fast digital loop filter to achieve an integrated solution optimized for the lowest jitter performance while consuming the least amount of power. The device also has a wide range of frequencies and outputs enableing it to be used in a variety of applications.

In addition, the CY25402SXC-012 clock generator / PLL supports differential and single-ended outputs with a variety of control pins to control output frequencies, ranges, and power states. With a multi-channel architecture and ability to control independent outputs on a common platform, the device is a versatile solution for applications such as clock and data clocks, timing circuits, controllers and signal conditioning.

At the heart of the CY25402SXC-012 is its main block, the Digital Frequency Synthesizer. This is responsible for the generation of a frequency signal which is used in the principal circuit and whose control parameters are determined by capacitor C1, along with two digital pins, FSEL and FOUT. The signal generated is filtered by LC Components, ensuring a low level of noise and jitter.

Moving up the chain is the PLL, whose purpose is to take the reference frequency generated by the instrument and times it to the frequency coming from a connected source. In the Cyanide device, PLL1 and PLL2 are linked by a low pass filter for added stability and low jitter. This also allows for the same frequency to be generated in both the PLL1 and PLL2 sections without the need for a common reference.

After the PLLs, the signal undergoes further noise reduction with the low-pass filters and then is sent to the buffered output stages. The outputs of these stages are then sent to their respective components, be it a crystal, voltage controlled oscillator, or other type of device using the output as its source of frequency.

In addition to its low-jitter output and multi-channel capabilities, the CY25402SXC-012 includes a host of other features, including an enable input pin (EN_L) for powering the device on and off, a slew rate adjustment selector pin (SRE_L) for a selectable output slew rate, and a differential or single-ended output selection pin. Other features include a slew rate rate adjust pin (STR_L) and a power-down pin (PD_L).

The CY25402SXC-012 is a very versatile solution for applications requiring low power, low jitter clock and/or data clocks, and accurate timing synchronization in a small form-factor package. With its multiple control pins, the device can be tailored to meet the needs of a wide range of applications, making it a valuable addition to any manufacturer\'s clock/timing portfolio.

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