9FGL04P1A000KILF

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The 9FGL04P1A000KILF design is a clock/timing specific application. It is a low-power, high-frequency clock/timing application with a low-jitter operation.

Application Field

The 9FGL04P1A000KILF operates in various fields such as video and audio systems, digital cameras, cellular phone systems, microprocessor- and SOC-based systems, and communications equipment. They are also used in embedded system and device controllers.

These clock/timing-specific applications are offered with an available supply voltage between 1.8 and 5 V, and can provide an output frequency as high as 25 MHz. The available output frequency is determined by the input frequency, system clock, and gate count. The device features efficient conversion and synchronization of two independent reference clocks and multiple outputs.

Working Principle

The 9FGL04P1A000KILF\'s working principle consists of five main stages: the Phase-Locked Loop (PLL) stage, the Integration stage, the Port Delay stage, the Error Detection stage, and the Jitter Filtering stage.

The PLL design creates a normalized frequency for the PLL pair and for the clock outputs. This stage allows for a direct input frequency with a high tolerance. The Integration stage includes a divide-by-one latch, dual multiplexers, and an integrator logic element. The purpose of this stage is to determine the reference clock frequency and establish the operating frequency.

The Port Delay stage uses a delay line to adjust the delay of the clock outputs. This stage is used to match the delay of the clock outputs to the target system clock timing. The Error Detection stage includes a differential comparator circuit, which compares the generated output with an externally supplied reference clock. This stage determines the total phase error between the two signals and is used to control the frequency and jitter of the output.

Finally, the Jitter Filtering stage works in conjunction with the Port Delay and Error Detection stage to simulate a low-pass filter to reduce the jitter of the output signals. By combining these stages, the 9FGL04P1A000KILF achieves a low-power, high-frequency clock design with low-jitter operation.

In conclusion, the 9FGL04P1A000KILF is a low-power, high-frequency clock/timing application suitable for use in various fields, including embedded systems and device controllers. The device combines various stages including a Phase Locked Loop, Integration, Port Delay, Error Detection, and Jitter Filtering, to achieve a low-power, low-jitter operation.

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