MC74AC138DTR2

Series:	74AC
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Decoder/Demultiplexer
Circuit:	1 x 3:8
Independent Circuits:	1
Current - Output High, Low:	24mA, 24mA
Voltage Supply Source:	Single Supply
Voltage - Supply:	2 V ~ 6 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	16-TSSOP
Base Part Number:	74AC138

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Introduction:The MC74AC138DTR2 is a high-speed Digital Triple 2-to-1 Multiplexer/Demultiplexer with three separate, parallel channels. This device typically has five logic inputs, three of which are the select inputs, and two of which are the data inputs. It is designed for very high speed latching, data conversion and data selection applications, and it is optimized for low propagation delay.Application Field:The MC74AC138DTR2 is commonly used in applications where data must be converted from one format to another, as well as data selection. It is suitable for consumer electronics, data storage systems and communication systems. Its application is particularly prevalent in driving consumer electronic products, such as using input and output isolation, buffering, control, receiving and transmitting data, decode data, etc. The primary advantage of this device is its ability to quickly select one data input to the output while preventing the transmission of data from both inputs at the same time.Working Principle:The MC74AC138DTR2 works by deciphering the logic inputs and making a selection based on them. The select inputs (S0, S1, S2) are used to control which data input is sent to the output (Y). If all three select inputs (S0, S1, S2) are at logic level high or all three at logic level low, then the data input on side A is sent to the output (Y). If the three select inputs (S0, S1, S2) are not in the same state, then the data input on side C is sent to the output (Y). This device is designed for very high speed latching, data conversion and data selection applications, and it is optimized for low propagation delay.Conclusion:The MC74AC138DTR2 is a high-speed Digital Triple 2-to-1 Multiplexer/Demultiplexer with three separate, parallel channels. It is designed for very high speed latching, data conversion and data selection applications. It is suitable for consumer electronics, data storage systems and communication systems. It provides an effective solution for quickly selecting one data input over the other, ensuring that the transmission of data from both inputs is prevented at the same time.

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