ICS2305M-1H

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The ICS2305M-1H is a fully integrated clock generator that is capable of multiple and flexible options in output frequencies. It is designed to provide an interchangeable, cost effective, and high-performance solution to system clock needs. This clock generator provides up to four output signals, with a wide range of frequency selection, ranging from 4MHz to 450MHz. The ICS2305M-1H is a common standard for Clock Generators, PLLs, and Frequency Synthesizers.

The ICS2305M-1H offers many features which enables system designers to choose the best solution for a wide variety of applications. It has a low-profile form factor and a low-power, high-precision, fully integrated clock generator. It is capable of automatically switching, using logic-level changes, between two different clock input sources of different frequencies that are predefined. The divider chain and output enable/disable control can be used to enable or disable one output without affecting low-noise former outputs or other inputs.

The ICS2305M-1H is capable of programming up to 4 output dividers, which allows for a wide range of output frequencies. It also features an adaptive algorithm that provides low jitter from 2 to 1300MHz, which helps to ensure that the system clock can accurately control all of its subsystems. The ICS2305M-1H is also equipped with a spread spectrum feature that reduces EMI emissions, making it ideal for use in embedded applications.

The working principle of the ICS2305M-1H is to receive a clock input frequency and to generate a series of clock outputs of specified frequencies. It is essentially a clock generation and distribution system. The core of this system is the PLL (phase-locked loop), which eliminates any jitter and phase noise from the clock input signal. The PLL consists of a voltage controlled oscillator (VCO). The VCO output is compared to the incoming reference clock, and an error signal is generated. This error signal is then used to adjust the VCO frequency, to ensure that the output frequency is the same as the input reference frequency.

After this, the clock output from the PLL is divided by the pre-programmed output dividers and is then output from the ICS2305M-1H. The output frequency can then be selected by programming the output dividers. If the system requires a frequency that is not supported by the output dividers, an external clock can be connected to one of the “External Clock” inputs. This external clock will then be multiplied by the output dividers and the desired output frequency can be achieved.

The ICS2305M-1H is a versatile, cost effective and high-performance solution to system clock needs, providing comprehensive support to a wide range of applications. Its advanced features, such as low-power requirements, low jitter, spread spectrum and input selection, allow it to meet the specification requirements of a broad range of applications. The range of output clock frequencies, coupled with the programmable output dividers, gives the user the flexibility to generate or divide the required frequency exactly as needed for the application.

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