Allicdata Part #: | 296-4225-5-ND |
Manufacturer Part#: |
CD74AC138E |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC 3-TO-8 LINE DEC/DEMUX 16-DIP |
More Detail: | Decoder/Demultiplexer 1 x 3:8 16-PDIP |
DataSheet: | CD74AC138E Datasheet/PDF |
Quantity: | 4846 |
Series: | 74AC |
Packaging: | Tube |
Part Status: | Active |
Type: | Decoder/Demultiplexer |
Circuit: | 1 x 3:8 |
Independent Circuits: | 1 |
Current - Output High, Low: | 24mA, 24mA |
Voltage Supply Source: | Single Supply |
Voltage - Supply: | 1.5 V ~ 5.5 V |
Operating Temperature: | -55°C ~ 125°C |
Mounting Type: | Through Hole |
Package / Case: | 16-DIP (0.300", 7.62mm) |
Supplier Device Package: | 16-PDIP |
Base Part Number: | 74AC138 |
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The CD74AC138E is a high-speed CMOS 3-to-8 line decoder/demultiplexer. This device is a member of the AC family, which has been designed to be pin compatible with other CMOS families that use the same logic equations and pin assignments. The CD74AC138E is used in a wide range of applications, from automotive to consumer and communication systems, due to its high level of integration, ruggedness, and low power consumption. It is ideal for applications that require the ability to decode multiple address inputs, select options, or enable features.
The CD74AC138E is an address decoder with a built-in logic circuit to decode alternate address lines to select one of the eight outputs. It contains an inverting outputs multiplexer and a three-state output enable (OE) control input. Eight 3-state outputs are addressed, depending on the number of address pins (A0 to A2). The active high enable (E) input is used to enable or disable the outputs. When the enable input is low, all outputs are in the high-impedance (OFF) state. When the enable input is high, all outputs are in the logic state that is determined by the address pins.
This device has various features designed to make it more useful, such as the presence of logic blocks in its circuitry that helps to reduce static power consumption, as well as the low parasitic capacitance of the pins. In addition, the device has low on-resistance and low voltage ratings, making it ideal for applications that require higher speeds and improved noise immunity. This device also includes a built-in slew rate control, which keeps the outputs from switching too quickly.
The CD74AC138E is a popular logic device for many applications. It is used to interface between analog and digital devices, as well as multiple decoding circuits. For example, it can be used in a system that needs to recognize digital inputs and encode them into an output code. These outputs can then be used to control other digital devices. It is also often used in communication systems, in order to enable or disable certain functions. It is also often used in consumer electronics, such as televisions and stereo systems, in order to enable or disable different features.
The working principle of the CD74AC138E is fairly simple. The address and enable inputs are used to control which of the eight outputs will be active. When the enable input is low, all outputs will be in a high-impedance state. When the enable input is high and the address pins are set to a particular combination, the corresponding output will be in the logic level determined by the address pins. In this way, the device can be used to multiplex data or control multiple circuits with a single address input.
The CD74AC138E is a reliable and versatile logic device that is used in a wide variety of applications. Its low power consumption and high speed make it an ideal choice for applications where fast response times are needed. The built-in slew rate control ensures that the outputs do not switch too quickly. With its versatile abilities and wide range of applications, the CD74AC138E is a powerful and reliable logic device.
The specific data is subject to PDF, and the above content is for reference
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