ICS953805CFT

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ICS953805CFT is an application specific, integrated clock signal generator from Integrated Device Technology (IDT). This device takes a 17 MHz, 19.2 MHz or 25 MHz clock signal as the input and provides a variety of output frequencies and timing devices.

The output frequencies of ICS953805CFT can range from high frequency oscillators to low frequency devices such as clocks, alarms and timers. The timing devices include devices such as stopwatches and real-time clocks. ICS953805CFT also has wide diversification in the type and range of clock signals used to generate its output clocks and timing devices.

The main application field of ICS953805CFT is in network timing, in which it is used to generate accurate synchronised clocks for the transmission of data over multiple networks. It also finds applications in automotive and other industries where accuracy and precision of timing is essential.

The ICS953805CFT has a wide range of built-in features to ensure its versatility and reliable operation. These features include an on-chip Temperature Programming Unit (TPU) which adopts an on-chip temperature monitoring circuit to ensure accurate timing signals, dual output reference inputs for Clock Synthesis, a Preference Memory for quick refocusing, and a high-speed PLL circuit for fast clock frequency switching.

The working principle of ICS953805CFT is quite simple. It first uses an input clock signal in the form of its external oscillator to create the master clock. Then this clock is divided by the selection of a user-defined divider ratio. This divider ratio selection is determined by the output clock type or the application requirement. The divider ratio is adjusted until the desired frequency is reached, which is stored in the preference memory.

The output of the clock is then further synchronized by the PLL circuit. The PLL circuit has two output reference clocks; one for the input synchronisation and one for the output synchronisation. Finally, the preference memory is updated and the clock output is generated.

Overall, the ICS953805CFT is a highly versatile, reliable and accurate clock signal generator, which finds its applications mainly in network timing, automotive and industrial applications. With its wide range of built-in features and the working principle based on the input clock signal, divider ratio selection followed by PLL circuit synchronisation, the ICS953805CFT is an excellent choice for those who need to achieve precise timing in their systems.

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