MPC9774AER2

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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers are used to generate an output that is in sync with the input while meeting the precise timing requirements. The clock generator and PLL devices of the MPC9774AER2 family offer a flexible, low-power solution for clock generation, both synchronous and asynchronous. These devices allow for the implementation of multiple clock outputs with independent programmability between them. They also feature a wide range of clock jitter performance options, to accommodate a wide range of applications.

The MPC9774AER2, a low-noise, low-power clock generator, has a multi-phase frequency synthesizer core, which delivers a wide range of synthesized frequencies to multiple outputs. This frequency synthesizer core, in conjunction with the programmable dividers and different synchronization options, creates a flexible solution for the generation of multiple synchronous or asynchronous clock outputs. The clock generation can be further customized with features such as dynamic synchronization, slew rate control and noise mitigation.

The MPC9774AER2 features a three-phase Fractional-N Synthesizer core which is capable of generating frequencies from 0.1 Hz up to 300 MHz. The three-phase core is designed to reduce jitter and to optimize the clock synthesis performance. The device also has multiple on-chip voltages, which allow the customer to configure the power rail voltages for different synch and clock configurations.

The MPC9774AER2 has an on-chip differential Oscillator, which is used to generate the main clock input. The oscillator is programmable and has an amplitude control feature. The oscillator internal frequency can be programmed in the range of 3 kHz to 280 MHz. The device supports external clock inputs, allowing a more flexible implementation.

In order to configure the MPC9774AER2 for the required clock generation, the device can be programmed via a Serial Peripheral Interface (SPI). The device also features Input Done, Program Done and Output Done status bits to ensure correct programming.

The MPC9774AER2 supports two differential outputs and two single-ended outputs. The differential outputs are capable of providing symmetrical clocks from 0.1 Hz to 100 MHz and asymmetrical clocks with frequencies up to 250 MHz. The single-ended outputs support frequencies up to 300MHz. For noise mitigation, each output is programmable. The device includes several features to optimize the performance, including output current level control, slew rate control, dynamic phase offset and dynamic frequency shifting.

The MPC9774AER2 is a versatile and low-power clock generator device which is suitable for a wide range of applications such as telecoms, datacom, storage systems and industrial automation systems. It provides numerous features to satisfy the timing requirements of these systems, with a flexible, low-power solution.

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