CY25100SXIFT

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The CY25100SXIFT is a clock generator that supports various types of output formats. It provides a frequency synthesis solution for all frequencies within a flexible and accurate frequency range. This clock generator is used in a variety of settings where a precise and stable clock frequency is required.

Overview

The CY25100SXIFT is a frequency synthesizer in a 6mm x 6mm package. It utilizes an advanced Fractional-N PLL to generate a wide frequency range of 10kHz to 1.6GHz. The onboard PLL design provides less spurs and better noise performance at lower voltage with maximum frequency stability. Additionally, the system-level design of the device eliminates the need for costly external components, allowing a higher level of integration into systems.

Multiple Output Formats

The CY25100SXIFT supports three types of output formats, including single ended LVCMOS, differential LVCMOS, and LVDS. Single-ended and differential outputs are available up to a frequency of 1GHz, while the LVDS output is available up to 1.6GHz.

Configurability Options

The CY25100SXIFT also has various configurability options to meet the specific needs of its users. The device supports several frequency setting options, such as an SPI setting, programming through an I2C interface, and by a programmable on-board EEPROM. Users can also program the device through a Register Programming Interface (RPI).

Working Principle

The CY25100SXIFT operates using a fractional-N synthesis technique. This technique combines integer and fractional edges of the reference clock to produce a final output clock. To accomplish this, the device divides the reference clock by an integer number (M) and multiplies it by a fractional number (N/M) in the feedback loop. The output of the loop is thus a clock with the same base frequency as the reference clock, multiplied by N/M. This technique allows the output clock to have any well-defined frequency within the range of the reference clock.

Conclusion

The CY25100SXIFT is a highly advanced clock generator that provides a wide range of frequency synthesis solutions for frequencies from 10kHz to 1.6GHz. It features multiple output formats, such as single-ended LVCMOS, differential LVCMOS, and LVDS. Additionally, its configurability options such as SPI and I2C-programmable settings, allow for user’s customization. The working principle of the device is based on the fractional-N synthesis technique, which enables it to generate outputs of any well-defined frequency within the range of the reference clock.

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