ICS87946AYI-147T

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The ICS87946AYI-147T is a prescaler device which provides an easy-to-use solution for high-frequency system clock applications. The device offers an integrated solution that includes a low jitter, fixed frequency, low noise Clock generator and Phase Lock Loop (PLL). It is multi-voltage, low voltage and has a wide operating temperature range.

The device is designed exclusively for clock synthesis applications, with a wide range of input clock speeds due to its prescaler and programmable output selection. It supports any frequency from 1Hz to 200MHz in the range of low voltage, as well as high voltage supply.The ICS87946AYI-147T provides a highly accurate timebase for system clock applications, with a maximum phase noise of -116 dBc/Hz at 10KHz offset on the output clock.

The working principle of the ICS87946AYI-147T lies in its internal PLL. The PLL consists of a voltage controlled oscillator (VCO) connected to a phase comparator. The phase comparator compares the phase of the VCO output signal with the phase of an input reference clock and adjusts the VCO output to maintain a predetermined phase relationship between the reference clock and VCO output. This process is referred to as phase-lock, and in this way, the PLL is able to generate a low jitter output clock with a frequency equal to a multiple of the reference clock frequency.

The ICS87946AYI-147T is primarily used as a clock generator in communication equipment, consumer products, and computers, where low jitter, low noise, and low power consumption are important criteria. It can be used to generate a clock signal having a higher frequency than that of the input reference clock. Furthermore, it can also be used to generate a single precision clock or a multiple of globally synchronized clock signals.

The ICS87946AYI-147T device is a valuable component used in clock and timing circuits, providing an integrated low jitter clock generator, its built-in PLL, and a highly accurate timebase. It has a wide range of input clock speeds due to its prescaler and programmable output selection, and it is designed for clock synthesis applications with a maximum phase noise of -116 dBc/Hz at 10KHz offset on the output clock. This device is an ideal solution for high-frequency system clock applications that require a low jitter, low noise, and low power clock generator.

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