PI6C20400LEX

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PI6C20400LEX is a high-precision, low-skew, self-adjustable differential clock fanout buffer. It is a timing device designed for excellent performance in applications that require efficient distribution of timing signals from one source, such as video and audio circuits and synchronous digital circuits. The device has an operating frequency range from 1MHz to 400MHz, and is able to deliver four synchronized clock outputs with very low skew. By adjusting itself dynamically to changes in the input signal, the PI6C20400LEX ensures consistent signal delivery even in fluctuating environments.

Application

The PI6C20400LEX is commonly used for distributing clock signals and other timing signals. It can be used in a variety of applications such as video and audio circuits, synchronous digital circuits, and data communication systems. The device is particularly suitable for distributing the clock signal from a master clock in order to minimize the total signal delay, minimize spacing from the source, minimize noise, and minimize signal jitter.

Working Principle

The PI6C20400LEX consists of a circuit block consisting of three matching adjustable, low-skew, low-jitter, adjustable, self-adjusting differential clock fanout buffers. Each of the buffers uses a temperaturecontrolled voltage-controlled oscillator (VCO) to compare the input signal to its own VCO, and to adjust its own output signal term frequency to match the input signal. This offset self-adjustment mechanism allows the device to maintain consistent phase and frequency even in environments with varying input clock or signal frequencies.

The device also includes a programmable one-shot input to output delay which can be programmed to adjust either the input signal or the output clock signal level. This feature allows the device to provide up to four sets of synchronized output clocks with very low skew. The device also features multiple output possibilities such as CMOS, LVPECL, and LVDS output modes.

The PI6C20400LEX also features a fail-safe operation that ensures that all output clocks continue to run at their normal timing even in the event of a power failure or other types of system malfunction. This ensures that there is no need for manual reconfiguration or system reset when the system returns to normal operation. This can also provide additional protection against system outages.

In summary, the PI6C20400LEX is a high-precision, low-skew, self-adjustable differential clock fanout buffer designed for excellent performance in applications that require efficient distribution of timing signals from one source. It is designed to provide up to four synchronized output clocks with very low skew even in fluctuating environments. The device features a fail-safe operation and programmable one-shot input to output delay, making it well-suited for a variety of clock applications.

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