ICS9170B-02CS08LF

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The ICS9170B-02CS08LF is a phase-locked loop (PLL) based clock generator offered by Integrated Device Technology (IDT). It is used to generate accurate and stable clock signals from a single reference frequency. This makes it a very useful device for many applications needing precise clock timing, such as telecommunications, digital signal processors (DSPs), digital communications, server and storage, and consumer electronics.

The ICS9170B-02CS08LF is a low jitter and low power CMOS clock synthesizer offered in a 4mm x 5mm, 28-lead TQFN package. It accept a single 25MHz reference clock and generates up to eight output frequencies of up to 240MHz. It offers a wide range of output frequencies, programmable duty cycles and VCO range. The device also offers a built-in loop bandwidth calibration, which allows it to reduce jitter performance when using higher-frequency signals. It also offers programmable output skew to reduce synchronization time.

The ICS9170B-02CS08LF is designed to support a wide range of clock timing and synchronization applications. It combines the traditional PLL architecture with an advanced system configuration control. The device provides an integrated PLL control with low latency and fast loop response, making it ideally suited for applications where multiple output frequencies are needed. The device also supports spread spectrum output for electromagnetic interference (EMI) compliance and flexible output circuitry for easy interfacing. The ICS9170B-02CS08LF also supports very low propagation delays from reference to output, which is ideal for systems that need to quickly synchronize multiple devices.

The PLL circuit of the ICS9170B-02CS08LF includes a digital phase detector, charge pump and low-pass filter. The digital phase detector compares the frequencies of a reference clock and the feedback clock and produces a stream of bits depending on whether the reference clock is leading or lagging the feedback clock in frequency. The resulting stream is then sent to the charge pump, which produces a current proportional to the phase difference. This current is filtered by the low-pass filter to generate a control voltage to adjust the VCO frequency to match that of the reference clock. The VCO frequency is then divided down to achieve the desired output frequencies.

The ICS9170B-02CS08LF is an ideal choice for applications needing high performance clock generation, such as telecommunications and digital communication systems. It provides an easy way to generate multiple clock frequencies with low jitter performance that can be quickly synchronized using the PLL control. The device also offers low power consumption, making it well suited for applications in battery powered devices. It is available in a 4mm x 5mm form factor and is compatible with various popular software development suites.

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