PL902154USY-T5

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The PL902154USY-T5 is a clock generator and phase-locked loop (PLL) frequency synthesizer. As such, it is a type of clock or timing circuit commonly found integrated into computers and other electric devices. It falls under the category of circuits that use electrical feedback and phase-shift technology to create and maintain accurate and stable timing signals. Technological advances in the field of digital timing have enabled more reliable and accurate clock generators and frequency synthesizers, supporting the development of electronic circuits for various industry and consumer applications.

Broadly speaking, the PL902154USY-T5 features an integrated circuit for frequency control and timing. The circuit comprises a clock generator, a frequency synthesizer (including a phase-locked loop) and several frequency dividers. It is most commonly used to generate, regulate and maintain a stable frequency output in systems such as personal computers, telecommunications equipment, streaming media players and other consumer electronics.

Specifically, the PL902154USY-T5 is designed to generate a wide range of frequencies, including low speed (LF), medium speed (MF) and high speed (HF) signals. It can provide timing signals between 28 MHz and 100 MHz. In addition, the device integrates an output disable feature, allowing the frequency output to be safely turned off. Output frequencies are adjusted or varied through the use of an external reference frequency, commonly known as an “N” divider, which is used to control the output frequency of the clock generator.

The device also features a frequency synthesizer, which utilizes a phase-locked loop (PLL) to detect, measure and maintain a stable frequency output compared to the reference frequency. The PLL further includes a voltage controlled oscillator (VCO), which controls the output frequency generated by the device. The VCO helps regulate the output frequency by providing voltage control, allowing for stable and accurate frequency regulation.

The device features several dividers for dividing down the output frequency to meet a number of timing needs. It includes both internal dividers, with support for divided frequencies between 1/2 and 4/1, and external dividers, which can divide frequencies in the range of 1/2 to 1/32. The device further comes with a built-in power-on-reset (POR) function, allowing the user to reset both the internal and external dividers.

The PL902154USY-T5 is particularly well-suited for use in more complex electronic timing systems. Not only does it feature the clock generator and frequency synthesizer elements that are necessary for the accurate and stable timing of such systems, but it also offers a comprehensive set of dividers and other features, such as the POR and output disable options, to help ensure robust performance. This makes it an ideal choice for digital timing systems that require accurate, reliable and stable frequency control.

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