MC74VHC138DR2

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The MC74VHC138DR2 is a 3-3-3, 8-channel multiplexer/demultiplexer logic integrated circuit (IC) developed for logic-level signal switching and multiplexing applications. It is part of the Texas Instruments TTL series and is a commonly used integrated circuit in today’s electronics industry. The MC74VHC138DR2 is categorized under the Logic-Signal Switches, Multiplexers, Decoders family because it can switch many signals of one type while allowing one signal to be selected at once.

The MC74VHC138DR2 is designed to increase the number of interconnected channels while maintaining performance at a lower voltage across the integrated circuits. It can be used in a variety of applications, including communication systems, personal computers, and other electronic equipment. The MC74VHC138DR2 is specifically designed for logic level applications, meaning it can adapt to devices whose logic levels exceed the VCC limit, as well as devices that require power from multiple sources.

At its fundamental level, the MC74VHC138DR2 is composed of three independent three-input multiplexers, which are connected in parallel for high-speed data transfer between two or more logic levels. The main goal of this type of multiplexer is to switch the data from one output line to another depending on the input signals provided by the control lines. This allows for the orderly transmission of data from one logic level to another with low power consumption.

The MC74VHC138DR2 multiplexer/demultiplexer can be used in a variety of applications, including bus arbitration, data multiplexing, and logic-level signal switching. The device is equipped with two power supply pins (VCC and GND) that provide the necessary voltages to the circuits. Further, the multiplexer/demultiplexer is designed to operate at a high speed, providing a switching time of 15ns max. This allows the device to switch quickly between different signal lines, resulting in higher performance.

In addition to offering excellent performance, the MC74VHC138DR2 has several features that make it a good choice for many applications. Its wide operating voltage range (2-6V) allows it to work with devices that require varying levels of logic signals. It has a wide logic level output range (0-6V) that can be adjusted according to specific system requirements. The device is also RoHS compliant and comes in a range of package sizes, including 20-pin and 28-pin SSOP packages.

The MC74VHC138DR2 is an ideal choice for many logic-level switching and multiplexing applications. Its high-speed operation and low-power consumption make it a great choice for applications that require the highest level of performance. Additionally, its wide voltage and logic level output ranges make it suitable for use in a variety of applications. Finally, its RoHS compliance and wide range of package sizes make it an ideal solution for integrating into any system.

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