MC74ACT138D

Series:	74ACT
Packaging:	Tube
Part Status:	Obsolete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:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	16-SOIC
Base Part Number:	74ACT138

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Logic - Signal Switches, Multiplexers, Decoders

The MC74ACT138D multiplexer is an important component that is used in a wide range of applications to accelerate multiple processes and operations. This type of chip is a programmable logic device that contains two internal multiplexers.The MC74ACT138D can be used for a wide variety of applications. These applications range from industrial to consumer products. One of the most common uses is when multiplexing is needed in order to share a single channel. This could be used in order to share data or control signals between multiple devices. Other uses of the chip include decoding, logic expansion, logic conversion, and multiple input device selection.The MC74ACT138D works by using two internal multiplexers that can handle up to three input signals. These signals can then be switched between multiple outputs. The switch can be enabled or disabled by a single control signal. The actual switching operation can be performed in either a serial or a parallel fashion. The MC74ACT138D is built on the 74ACT series integrated circuit architecture. This advanced technology allows for high speed switching and minimal power consumption. The chip also has low leakage characteristics which helps to make it an ideal choice for use in applications where power efficiency is paramount.The MC74ACT138D supports up to three address lines, two I/O lines, and one control line. The two I/O lines which allow for up to two channels of communication. The control line allows for selection of either the A or B output depending on the logic state of the control line. The selection of either output is accomplished with a logic high or low.The MC74ACT138D also has an ECL compliant logic level, meaning that the logic levels of the device are compatible with the levels used in ECL circuits. This makes the chip compatible with a wide range of applications, allowing for wider compatibility and broader use in a variety of applications.The MC74ACT138D also has a built in thermal shutdown feature that shuts down the chip in cases where it becomes too hot. This feature helps to protect the chip and the device under use from heat damage. This feature makes the chip an attractive choice in applications that require reliable operation in a wide range of temperatures.Overall, the MC74ACT138D is an important component for many applications and is an excellent choice for applications that require multiplexing, decoding, logic expansion, or logic conversion. With its low power consumption and low leakage characteristics, it is a great choice for power sensitive applications. Its ECL compliant logic level, combined with its thermal shutdown feature, makes it an ideal choice for use in any application that requires reliable operation across a wide range of temperatures. ConclusionThe MC74ACT138D multiplexer is a versatile and reliable chip that is ideal for a wide range of applications. Its multiplexing capability and ECL compliant logic level make it compatible with many different systems. Additionally, its low power consumption and low leakage characteristics make it an excellent choice for power sensitive applications. The thermal shutdown feature adds an extra layer of protection that makes the MC74ACT138D an attractive option for use in high temperature environments.

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