SN74AHC138DR Integrated Circuits (ICs)

Logic - Signal Switches, Multiplexers, Decoders

The SN74AHC138DR multiplexer/decoder uses the Texas Instruments SN74AHC138DR device as its core component. It is a 3 to 8 line decoder/demultiplexer that is ideal for busy digital systems. It allows 8 binary data inputs (A0-A7) to be connected to one of 8 3-state outputs (Y0-Y7) as selected by the two binary inputs (A and B). The decoder also provides an active LOW Output Enable Input(OE) that can be used to logic implement a variety of logic functions.

Working Principle:

The SN74AHC138DR decoder contains 8 open drains that are activated when the A and B inputs match the binary inputs. When the output enable input (OE) is low, all of the outputs are enabled and the SN74AHC138DR acts as an 8 bit multiplexer. When OE is High, all of the outputs are disabled and the decoder can be used for data reduction. When OE is low, the outputs are activated when the A and B inputs match the binary inputs.

Application Field:

The SN74AHC138DR is a versatile device that can be used in many areas. It can be used in speech recognition systems to select the matched voice recognition address, it can be used in vending machines to select the item desired, it can also be used in digital games to control the animation and movement. It is also widely used in automotive systems and other communication systems. It is one of the most popular decoders used in today’s digital systems.

The SN74AHC138DR is also very cost-effective compared to other multiplexers. It is also easy to use and configure, making it a favorite for engineers working on digital systems. The SN74AHC138DR is reliable and has a low power consumption and a wide temperature range, making it useful for many applications.

Overall, the SN74AHC138DR is a great device that can be used in a variety of applications. It is easy to use, reliable, and cost-effective. It can be used to create various applications and can provide a great solution for digital systems.