ICS7151M-10

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The ICS7151M-10 is a low power, programmable, high- Performance clock generator integrated circuit (IC) from IDT. It is comprised of shared resources including an array of second-order Delta-Sigma (ΔΣ) dividers, Voltage-Controlled Oscillators (VCOs), VCO Output Buffer (VOB) and Control registers. The ICS7151M-10 supports multiple output frequencies and Output Fractional Division in both Serial and Parallel Input modes.

The ICS7151M-10 offers the flexibility of the ability to programmatically control the frequency and output frequencies. This can be achieved by setting the various control registers (for example the Ref Div, Delta Div and Clk Enable registers). Additionally, the included VCOs can be used to generate frequencies up to 600MHz, while the fractional-N generator allows for precise output synthesis with extremely low jitter.

The ICS7151M-10 is typically used in applications where precise timing is essential, such as avionics, digital storage and communication systems. It is also used in applications such as ATE, Metro systems and Synchronous Optical Network (SONet). Additionally, the ICS7151M-10 can be used in clocks for FDDI and Gigabit Ethernet networks, plus a variety of industrial applications.

In terms of its working principle, the ICS7151M-10 receives a clock input from an external clock source or an on-chip oscillator. This clock signal is then routed to the integrated circuits Analog-to-Digital (ADC) section where the analog signal is converted into a digital signal. This digital signal is then routed to the various dimensional dividers in order to produce a reduced divide ratio by either increasing or decreasing the clock frequency. The VCOs are then used to generate the desired frequency and output it to the appropriate output.

The ICS7151M-10 can be programmed to produce multiple outputs with a wide range of frequencies. This is achieved by setting up specific parameters in the control registers, such as the ref div, multipliers and output mux values. The VCOs can be programmed to generate the desired frequency, allowing for precise output synthesis with low jitter. The output can then be routed to the appropriate total or fractional output then passed on to the end application.

In summary, the ICS7151M-10 is an integrated low-power and programmable frequency clock generator. It is able to generate accurate and repeatable output frequencies up to 600MHz with extremely low jitter. The ICS7151M-10 is well suited for applications such as avionics, digital storage, communication systems, Metro systems, Synchronous Optical Network (SONet), FDDI, Gigabit Ethernet and industrial applications.

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