CY22381SXI-211T

The CY22381SXI-211T is a multi-purpose clock generator, PLL (Phase Lock Loop) and frequency synthesizer family that leverages Cypress\'s advanced FlexiClock™ technology. This product family has been designed to deliver performance and economy while allowing users a great deal of flexibility in working with clock signals from multiple sources. CY22381SXI-211T can provide a range of clock-frequency solutions up to 3.2 GHz, and it is suitable for a wide variety of applications.In this article, we will take a closer look at the CY22381SXI-211T’s application fields and working principles.Application Fields for CY22381SXI-211TThe CY22381SXI-211T has been designed to be used in a number of different types of applications. It is especially well-suited for use in a variety of communications and multimedia applications, such as Ethernet and USB, as well as a wide range of industrial and consumer electronics applications.The CY22381SXI-211T offers a variety of mixed-mode operation modes such as: pulse-width modulation (PWM) output, direct digital synthesis (DDS) output, pulse-density modulation (PDM) output, as well as spread-spectrum frequency modulation (SSFM) output. This allows users to achieve high-precision low-jitter clock signals generated with optimized power efficiency.In addition, the CY22381SXI-211T also features an integrated 32-bit floating-point multiplier for digital video operations, as well as four selectable clock outputs. The device also provides a low-jitter clock synthesizer system that is able to synthesize a very wide range of frequencies. This allows users to implement large-scale clock systems without needing to use an external PLL, which can help reduce component costs and save space.Working Principle of the CY22381SXI-211TThe CY22381SXI-211T is designed to provide maximum flexibility in synthesizing different clock frequencies. Its internal architecture is built around the concept of a programmable PLL (Phase Lock Loop), which is based on a pulse-edge-locked loop.In order to provide maximum flexibility, the CY22381SXI-211T can accept a wide range of input clocks. It can provide a cycle-by-cycle adjustable frequency, or a full range of clock division and synthesis solutions. The device offers optimized solutions that are adjustable through a variety of programmability options such as a selectable multipliers and dividers, PLL charge-pump control and clock switching.The CY22381SXI-211T also offers the ability to detect a periodic pulse and phase align it with the synthesized frequency. This enables the device to detect a periodic clock, compare it to its internal frequency and phase-align it with the synthesized frequency for optimum comparison. This in turn helps to ensure exact frequency accuracy and performance.ConclusionThe CY22381SXI-211T is an advanced clock generator, PLL and frequency synthesizer family that can provide a range of clock-frequency solutions up to 3.2 GHz with maximum accuracy and precision. It is well-suited to a variety of applications, including communications and multimedia applications, as well as industrial and consumer electronics applications. It offers mixed-mode operation, an integrated 32-bit floating-point multiplier, four selectable clock outputs and an integrated low-jitter clock synthesizer system. The device also provides programmable PLL capabilities and cycle-by-cycle adjustable frequencies.

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