74FCT3807APYG

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The 74FCT3807APYG advanced clock buffer family is designed specifically to solve the low-skew, large fan-out clock distribution challenge. This series of clock buffers offer a wide range of initialization and output loading selections, a wide operating temperature range, and are designed to meet the most demanding Clock and Timing requirements. This article will focus on the application field and working principle of the 74FCT3807APYG clock buffer.

The 74FCT3807APYG family is offered in various packages including 24-pin SOIC, 8-pin DIP, and 10-pin MSOP packages, allowing for flexibility in board design. It is ideal for providing fanout and low-skew clock signals for applications such as high-speed controllers, system clocks, and PLLs. It is also commonly used in communications, laser printers, high-definition television systems, desktops, and notebook computers. The input and output voltages are designed to operate with a voltage of 3.3V.

The main function of the 74FCT3807APYG clock buffer is to generate an output that is synchronized with an input clock signal. It is capable of taking a single input clock signal and transforming it into multiple output clocks with no extra delay. The clock buffer can also provide multiple fan-outs of the same clock with minimal skew, while the output buffer allows for a wide range of voltages and loading options.

The 74FCT3807APYG clock buffer consists of a programmable clock divider, a phase-locked loop (PLL) synthesizer, and an output buffer. The programmable clock divider takes the input clock and divides it into a specific frequency and duty cycle. The phase-locked loop then derives a low-skew, low-jitter clock from the clock divide output. The output buffer then amplifies the clock input and provides the necessary output current to drive the clock drivers with minimal distortion.

In addition, the 74FCT3807APYG features a wide clock-suppression option that can be used to reduce noise or reduce jitter on the output clock. This is especially beneficial in high-speed designs where jitter reduction is critical. The clock buffer also offers programmable skew options, which can be used to reduce the edge-to-edge variation in the output clocks.

In summary, the 74FCT3807APYG clock buffer is a robust clock buffer designed to provide fanout and low-skew clock signals. It is ideal for high-speed applications that require a reliable clock output. The wide range of voltages and loading options, clock-suppression options, and programmable skew settings make it an ideal choice for system clock and PLL applications.

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