ICS574MI

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ICS574MI is a Clock/Timing device product from IDT (Integrated Device Technology Inc.). It is a 4-Output MultiSynth™ Synthesizer intended for audio, clock distribution, and communications applications. This device has been designed to provide cost-effective solutions for multiple clock solutions.

The ICS574MI is a versatile signal synthesizer that can perform a variety of clock and timing functions. It is a high-performance clock generator capable of producing up to four independent clocks frequencies up to 150MHz. It is optimized for low-jitter operation, allowing for controlled and repeatable signal timing. This device is comprised of frequency dividers, a phase-locked-loop (PLL) frequency synthesizer, a differential output clock driver, and a programmable output buffer.

The PLL frequency synthesizer relies on a single reference clock to generate the outputs. The PLL locks the reference frequency and divides it down to the desired output. The differerent divider ratios are programmed using the register that controls the MultiSynth™ portion of the device. The MultiSynth™ is a high-performance fractional-N frequency synthesizer that provides an output with jitter performance typically better than that of conventional digital frequency synthesizers.

The ICS574MI uses two separate reference clock inputs: the analog reference clock signal (REF_SEL[9:0]) and the digital reference clock signal (REF_SEL[17:10]). The analog signal range is from 6.25 MHz to 50MHz, while the digital signal range is from 6MHz to 150MHz. The PLL has a loop bandwidth that can be programmed to optimize jitter performance up to 150 MHz.

The ICS574MI also includes a differential clock output driver as well as a programmable output buffer. This driver allows for the output signal to be driven differentially. The output buffer allows for fine-tuning of the output signal amplitude, slew rate and output drive capability.

The ICS574MI can be used in a variety of applications such as clock and timing distribution, digital signal synchronization, and audio generation. It is designed to provide a cost-effective and low-power solution for applications requiring multiple clock frequencies. The wide-frequency range, low jitter performance, and programmability make it an ideal choice for customers looking for a multi-drop clock synthesis solution.

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