ICS93789DFT

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The ICS93789DFT is an integrated clock generator designed for most applications requiring low-jitter, low-noise clocks or data-signal timing. It is designed for applications such as communications, computing, and clock distribution including test, radio and wireless communications. The device operates from a low-voltage supply and has a wide range of features, making it suitable for a variety of applications.

The device generates up to nine independently programmable, highly accurate output clocks using a single source clock. It has programmable spread spectrum capability, which helps to reduce EMI and overall jitter. The outputs are configurable as single-ended, differential, Spread Spectrum outputs, or as Complementary Symmetry outputs (C-SYNC). The device also includes Unused Clock Disable feature and offers a wide variety of output frequencies with selectable LVDS/LVPECL output drivers.

The ICS93789DFT uses an internal voltage-controlled oscillator (VCO) to generate an internal reference clock for each of the outputs. This reference clock is used for the spread spectrum option and to frequency divide the master clock input to produce an independent clock for each output. The VCO and output clock frequencies can also be locked together, so all output frequencies are derived from the master clock input.

The device also provides a PLL to lock the internal reference clock frequency to a wide range of external clock sources. The PLL allows for quick selection of the correct clock speed by providing an automated process for finding the right output frequency.

The ICS93789DFT can also act as a low-jitter, low-noise clock source, providing up to nine independent, low-jitter outputs with a full ppm range of ±25 ppm. The full ppm range helps to provide long-term, stable performance with minimum system jitter and maximum frequency accuracy.

In addition, the ICS93789DFT provides flexible system-level diagnostics for monitoring external clock sources as well as monitoring the device’s internal operation. This helps ensure reliable system monitoring and provides early detection of possible problems.

The ICS93789DFT is a versatile, low-jitter, low-noise, full-ppm clock source that can be used in a wide range of applications that requiring low-jitter and low-noise clock sources. The device can provide up to nine independently programmable, low-jitter, low-noise outputs, spread spectrum capability and system-level diagnostics. This makes it suitable for a variety of design requirements, including clock distribution, test, radio, and wireless communications.

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