M74HC238B1R

Series:	74HC
Packaging:	Tube
Part Status:	Obsolete
Type:	Decoder/Demultiplexer
Circuit:	1 x 3:8
Independent Circuits:	1
Current - Output High, Low:	5.2mA, 5.2mA
Voltage Supply Source:	Single Supply
Voltage - Supply:	2 V ~ 6 V
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	16-DIP (0.300", 7.62mm)
Supplier Device Package:	16-DIP
Base Part Number:	74HC238

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Logic - Signal Switches, Multiplexers, Decoders

The 74HC238B1R is a 3-to-8 line decoder/demultiplexer device that can be used to convert a 3-bit binary input signal into an 8-bit output signal. It can also be used as a signal switcher, multiplexer and decoder. The 74HC238B1R device can be used to control the power flow in an electrical circuit, switches and demultplexers in digital systems. It is also used for signal buffering, multiplexing and decoding of signals, and logic signal switching.

The 74HC238B1R has 3 control inputs, A, B and C, which can be used to select one of eight outputs. It also has eight fully independent active-low outputs, labeled O0-O7. Output O7 is the complement of output O0, while output O6 is the complement of output O1, and so on. The 74HC238B1R can be used to control the power flow in an electrical circuit, such as relays, motors, and light dimmers. Its functionality as a multiplexer allows for multiple input signals to be converted into a single output, enabling the user to control multiple devices with a single controller.

The working principle of the 74HC238B1R is based on how it is wired into the electrical circuit. In order for the 74HC238B1R to function properly, the control inputs A, B, and C must be connected to the VCC voltage, while the outputs O0-O7 must be connected to the GND ground. Depending on the state of the control inputs, the 74HC238B1R will open and close the corresponding output, allowing current to flow or not as desired. The 74HC238B1R has Schmitt trigger inputs, which allow the decoder to interpret input signals more accurately.

The 74HC238B1R can be used to control the power flow in an electrical circuit, switches and demultiplexers in digital systems, and logic signal switching. It is commonly used in computers and other digital systems for switching and demultiplexing signals. It can also be used as a signal buffer, multiplexer and decoder, allowing different input signals from multiple devices to be collected and interpreted as a single output. With its integrated Schmitt trigger inputs, the 74HC238B1R can also interpret irregular or noisy inputs signals and accurately produce the desired output.

The 74HC238B1R is a very useful IC for controlling electrical circuits, and can be found in a wide range of consumer electronic devices, such as computers, phones, TVs and other consumer electronic products. Its ability to switch and demultiplex signals makes it a very versatile IC, and its integrated Schmitt trigger inputs make it even more reliable. It is an ideal choice for electrical circuits that require precise control of power flow and switching of multiple input signals.

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