MC74VHCT257AMELG

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The MC74VHCT257AMELG is a high-speed, low-power quad level two-to-one multiplexer (MUX). It is a binary device that selectively passes a single signal path selected from two inputs through the common output pins. It is typically used in applications such as signal multiplexing, data encoding/decoding, and other signal routing applications.

Application Field

The MC74VHCT257AMELG is mainly used in digital and computing applications, where a signal source is to be selected from multiple sources. This could be in the form of selecting a single input signal via a logic control, selecting the output path of a signal during digital communication, or selecting the encoding of a signal. It can also be used in fields such as low-speed logic, buffer/repeater applications, arithmetic logic unit designs, video capture and encoding/decoding, and analog/digital signal routing.

Working Principle

The MC74VHCT257AMELG consists of two two-to-one multiplexers with complementary outputs. Each multiplexer has two data paths; a ‘true’ and a ‘complement’. When one of the four multiplexers is selected via the address logic, the ‘true’ data path of that multiplexer will be passed on to the common output pins. The device also has a ‘tri-state’ output control pin, which, when connected to the proper logic high or low, will enable or disable the signal source output. This is especially useful in applications in which signal isolation is required or when signal multiplexing of multiple sources is necessary.

The MC74VHCT257AMELG is specified in the commercial temperature range of 0oC to 70OC, making it suitable for use in a range of applications including consumer electronics, wireless and wired communications, data storage, and digital signal processing. The device has low power consumption and is designed to be robust and reliable, making it an excellent choice for any application.

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