89H22NT16G2ZCHLGI

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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers

The 89H22NT16G2ZCHLGI (89H) is an example of a clock generator, phase-locked loop (PLL), and frequency synthesizer. It is a versatile device with a variety of features and applications, making it one of the most popular clock and timing solutions on the market today. The 89H is well suited for use in consumer-based consumer electronics and embedded system designs, featuring a range of frequency input options and multiple output selections. In this article, we’ll discuss the 89H\'s application field and working principle.

One of the primary benefits of the 89H is its versatility. It has a wide variety of input frequencies, able to accept from 0.3 MHz to 20 MHz. This makes the 89H a suitable choice for embedded applications that require a wide range of crystal frequency inputs. The 89H also has a wide range of output frequency possibilities, ranging from 16 MHz to 1.8 GHz. This wide range of frequencies allows designers to achieve the exact output frequency and control their input frequencies to suit any application need.

The 89H offers a variety of features and options to customize a design. This includes the ability to select output frequencies, allowing designers to target the exact frequencies needed. Additionally, the 89H has a variety of PLL features, such as a digital lock detect and programmable spread spectrum, to enable designers to achieve their desired results. Another important feature of the 89H is its jitter attenuation. This helps minimize jitter in the system, which is important for reliable performance in high-speed designs.

The 89H works by providing a number of clock control unit (CCU) ports that are connected to the processor. The CCU inputs enable designers to select the desired output frequency and the CCU outputs provide the actual clock signal. The processor then utilizes the clock signal to control various components in the system. The PLL features of the 89H can be used to multiply or divide the frequency of the output clock, allowing the designer to achieve the desired frequency without the need for additional components.

The 89H utilizes a Digital Phase Lock Loop (DPLL) technique to ensure the output frequency is accurate and stable. This DPLL circuit works by locking onto an input frequency and multiplying it by a set factor, usually referred to as the division factor. The division factor can be adjusted to achieve the desired output frequency. In addition, the 89H’s digital lock detection feature helps to ensure that the output frequency is locked in and stable.

In summary, the 89H is an ideal choice for embedded system designs that require a wide range of input frequencies and the ability to control the output frequency. Its wide range of input and output frequencies, along with its versatile PLL features, make it a popular clock and timing solution for many applications. With its ability to accurately and reliably control the frequency and provide jitter attenuation, the 89H is a reliable and cost-efficient choice.

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