74FCT807BTQG

The 74FCT807BTQG is a high-performance clock and timing circuit, specifically designed to reduce the overall power consumption of clock/timing driven applications. It is also capable of handling multiple clock/timing inputs or outputs, allowing it to be used in a wide range of applications. The 74FCT807BTQG is a buffered three-state Buffer/Driver with a built-in multiplexer and tri-state output controlled by the output enable (OE) pin.

Application Field

The wide range of applications for the 74FCT807BTQG clock/timing device varies from simple buffering/driving to complex combinational logic. The tri-state output feature allows it to be used on buses with multiple drivers, such as an SDRAM data bus, for example. It can also be used to generate clock signals with multiple frequencies, allowing the device to be used in a wide range of applications such as digital watches and computer systems.

The 74FCT807BTQG can also be used in complex memory interfaces where data and address bus widths vary. It is also a very useful device in telecommunications, as it can provide the output clock frequency that is needed to send data over long distances. Additionally, its ability to interface with multiple timing inputs and outputs can be used in applications that require multiple clocks.

Working Principle

The 74FCT807BTQG clock/timing device works by taking its input from an external oscillator, such as a quartz crystal, and then buffering and driving the output signal. It operates by using the output enable (OE) pin to control which of the tri-stated outputs are active or not. The device also includes two multiplexers, which allow it to select between multiple timing signals, allowing the device to generate multiple clock signals.

The device can also take multiple inputs, allowing it to become a clock/timing generator. The output signal is then buffered and driven into one or more logic circuits. The device also contains logic gates and level shifters to ensure that the correct logic levels are applied to the inputs of the clock/timing device, and the outputs from the device are at the correct levels.

The device also uses a Charge Pump and PLL (Phase Locked Loop) to reduce noise from the power supply and ensure that the clock signals are stable. Additionally, it contains noise reduction circuitry, which helps reduce electromagnetic interference on the input and output of the device.

The 74FCT807BTQG is a versatile and reliable clock/timing device that can provide a wide range of design solutions. It is versatile enough to be used in a wide range of applications, while still ensuring reliable operation in the presence of high levels of noise.