74FCT3807AQGI

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The 74FCT3807AQGI is a versatile clock driver and buffer device from the FAST (Fairchild Advanced Schottky TTL) family. It is a low-power, high-performance device that contains four independent, two-input NAND buffers with Schottky TTL levels. Depending on the application need, it can be used as a buffer, as a stand-alone driver, or as a multiple level driver with slew-rate control to reduce EMI.

The device is mainly used in a variety of clock signal buffering and driver applications, including an address/command clock signal buffer and driver in LCD displays, a data bus clock buffer for high-speed chipsets, and a clock buffer and driver for clock trees. It is also useful for buffering driver pulses for I/O expansion in embedded systems, as well as a data transfer buffering and driver in ASICs.

The 74FCT3807AQGI comes in two separate packages, one with a 20-pin configuration and one with a 24-pin configuration. Both packages contain four independent NAND buffers with Schottky TTL levels and programmable slew-rate control. The slew-rate control feature helps reduce electromagnetic interference (EMI) and eliminates ground bounce.

The 74FCT3807AQGI is configured in a multiple level driver configuration to reduce EMI. Each NAND buffer has an input buffer on the input side and an output buffer on the output side. The input buffer serves to ensure that the voltage levels of the input signals adhere to TTL levels. The output buffer provides the necessary drive strength for the output signals and ensures that the output waveforms are correct.

The 74FCT3807AQGI is designed with Schottky TTL levels, providing high speed and high noise immunity. The device is TTL compatible with low-power dissipation and has low rise and fall times. The low-power benefits of the device help in the reduction of system power consumption and the low-bounce feature allows for quick response times and lower power consumption.

The 74FCT3807AQGI also provides adjustable output current and adjustable rise- and fall-times. The adjustable output current feature allows for higher output current levels, providing longer rise and fall times and lower EMI as well as a decreased loading effect and increased noise immunity. The adjustable rise- and fall-times feature allows for increased system performance due to a reduction in crosstalk and longer settling time.

In conclusion, the 74FCT3807AQGI is a powerful and versatile device that is well suited for a variety of clock buffering and driving applications. The device’s adjustable output current and slew-rate control features provide for improved system performance and reduced power consumption. Its Schottky TTL compatibility makes it suitable for applications with higher speed and noise immunity requirements.

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