MC74VHC4316DG

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MC74VHC4316DG is an advanced dual 4-channel analog multiplexer/demultiplexer designed by ON Semiconductor. It is designed to provide high data rate, low power, stand-alone and dual-channel switching solutions for various applications. In terms of features, the MC74VHC4316DG has very low on-state resistance for low voltage channel, with low channel-to-channel crosstalk, high channel isolation and high pulse repetition rate. Besides, it also has extended -3dB frequency of 1GHz and wideband switching speed of 150ns.

Application Field

The MC74VHC4316DG is suitable for a wide variety of applications such as video, audio and radio frequency, base band switching and high data rate applications. Its features including low on-state resistance, low channel-to-channel crosstalk and wide bandwidth switching, make it ideal for audio/video applications.

For radio frequency applications, it is one of the most suitable multiplexers/demultiplexers and is used in applications such as cable TV system, broadcast radio, satellite receivers, and so on. It is also used in base band applications, like LANs and high speed data systems.

Working Principle

The MC74VHC4316DG consists of two independent 4-channel analog multiplexer/demultiplexer. It consists of dual-channel common terminals and controls, which is connected to the digital logic and control devices. The switches are operated such that current flows in the same direction through both switches. The common common terminals of each multiplexer/demultiplexer are connected to a set of digital logic inputs, which act as the switch control signals.

When the digital logic input is LOW, the switch is connected between the common and the A terminal. When the digital logic input is HIGH, the switch is connected between the common and the B terminal of the multiplexer/demultiplexer. The logic inputs together with the common terminal can be used to connect the device to some other circuit, thus allowing it to switch between the different inputs.

In addition to the switches and multiplexers/demultiplexers, the MC74VHC4316DG also includes two control inputs for channel select. Channel A is selected when the control input is LOW and Channel B is selected when the control input is HIGH. The control inputs are connected to the logic device that controls the switching operation of the multiplexer/demultiplexer.

In conclusion, MC74VHC4316DG is an advanced dual 4-channel analog multiplexer/demultiplexer, suitable for a variety of applications including base band and audio/video. It consists of dual-channel common terminals, switch control signals and two control inputs for channel select, allowing it to switch between different inputs.

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