MK2746GTR

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The MK2746GTR is a programmable clock generator module (CGM). It is a single integrated solution for high-performance Ethernet applications. The MK2746GTR is a high-performance, surface-mount chip which can be used for Ethernet switching, routing, and wireless systems. The MK2746GTR is a low-power, scalable, and cost-effective solution for high-speed Ethernet applications.

The device is capable of generating up to 64 channels of differential clock outputs and can program both the frequency and delay of the output signals. The frequency variation of the output clock can range from 10MHz to 6GHz. The device can further be programmed to provide multiple reference clocks at different frequencies.

The MK2746GTR also has a reference clock input port that can accept a variety of different reference clock frequencies, such as differential LVPECL, LVDS, CMOS, or SMA clocks. This feature enables the device to generate multiple outputs with accurate timing and frequency relationships. Additionally, the device is also able to accept various input clock frequencies and can be used for generation of output clocks within different ranges.

The device is controlled through a set of user-programmable registers. The registers enable the user to control the frequency of the reference clock and the output clocks, enable or disable different channels, program the delay the of the output clocks, and enable or disable frequency synthesis. Frequency synthesis allows the device to generate multiple output frequencies from one reference clock frequency. This feature is essential for devices such as Ethernet switches and routers, which need to generate multiple output frequencies in order to process data at different rates.

The internal architecture of the MK2746GTR consists of a pre-scaler, a Phase Locked Loop (PLL) and a post-scaler. The pre-scaler consists of a set of input buffers and a set of filters that are used to clean up the reference clock signal. The PLL is then used to adjust the frequency of the reference clock. The post-scaler is then used to generate the output clocks. The device is capable of generating a precision output frequency and timing relationships.

The MK2746GTR is an ideal solution for applications that require low-power, high-precision and cost-effective clock sources. It is designed to be used in applications such as Ethernet switching and routing, wireless communications, and timing applications. The device has been designed to provide a low-power and cost-effective solution for high-performance Ethernet applications.

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