89H16NT8BG2ZCHL

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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers

The 89H16NT8BG2ZCHL is a Clock/Timing IC from IDT, specifically a programmable clock generator. As a high performance device, it offers a very fast start-up and set-up time, low phase noise, and low jitter for time-sensitive applications. In addition to providing a wide selection of outputs, the 89H16NT8BG2ZCHL is designed for flexibility and scalability, for general purpose clock sourcing and distribution.

At its core, the 89H16NT8BG2ZCHL uses a configurable reference oscillator, either the internal LVDS or an external crystal or oscillator source, to generate Frequency Synthesis bursts. These pulses are then sent to a Phase Locked Loop (PLL) filter circuit, which shapes them before they are sent to the output divider. This divider can be programmed to divide the input frequency into any one of a multitude of output frequencies, with adjustable parameters such as skew, slew rate, and duty cycle.

The 89H16NT8BG2ZCHL is typically used in Telecommunications applications such as routers, switches and base stations, 3G/4G network systems, Wireless systems, and in data centers. Some common applications include generating output clocks for CPU/DSP/ASIC core chips and memories, for clock distribution and recovery, for generating clock rates that are a fraction of the input signal frequency, and for generating arbitrarily diverse frequencies from a single input signal. As you can see, the 89H16NT8BG2ZCHL is incredibly useful in a plethora of fields.

In terms of its working principle, the 89H16NT8BG2ZCHL is relatively straightforward. The main component is the PLL, which receives a reference frequency. It processes this signal, shapes it, and multiplies it by a specified ratio, before sending it to the output divider. The divider is responsible for generating the desired output frequencies, depending on the parameters set by the user. The output clock signals can then be distributed to the various components of the system, allowing for the signals to be synchronized with each other.

The 89H16NT8BG2ZCHL is a highly versatile clock generator IC, offering extremely fast start-up and set-up time, low phase noise, and low jitter for time-sensitive applications. It is used in a variety of fields, particularly telecommunications, where it generates output clocks for CPU/DSP/ASIC core chips and memories, is used in clock distribution and recovery, and is capable of generating fractional frequencies out of a single input signal. Its core function is based on a configurable reference oscillator, a PLL filter circuit and a programmable output divider.

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