
Allicdata Part #: | SN74HC139DE4-ND |
Manufacturer Part#: |
SN74HC139DE4 |
Price: | $ 0.10 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC DECODER/DEMUX DL 2-4L 16-SOIC |
More Detail: | Decoder/Demultiplexer 1 x 2:4 16-SOIC |
DataSheet: | ![]() |
Quantity: | 1000 |
2800 +: | $ 0.08789 |
Specifications
Series: | 74HC |
Packaging: | Tube |
Part Status: | Active |
Type: | Decoder/Demultiplexer |
Circuit: | 1 x 2:4 |
Independent Circuits: | 2 |
Current - Output High, Low: | 5.2mA, 5.2mA |
Voltage Supply Source: | Single Supply |
Voltage - Supply: | 2 V ~ 6 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: | 74HC139 |
Description
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Introduction
SN74HC139DE4 is a dual 1-of-4 decoder, which is a logic function that is used to decode two binary inputs into four active, mutually exclusive outputs. It is one of the multiplexers, decoders and logic-signal switches in the Texas Instruments’ SN74HCxxDE4 family. This family of devices contain two or four data selectors/multiplexers and decoders, which are designed to optimize power consumption and switching speed while providing maximum circuit flexibility through the multiplexer and decoder integration.Application Field
SN74HC139DE4 is used in various applications requiring high speed and effective decoding logic. A few of the major applications making use of SN74HC139DE4 include audio systems, computer architecture and communication, robotics and factory automation. SN74HC139DE4 is particularly suitable for applications that require multiplexers to quickly switch between inputs for devices, such as LCD displays, camera lenses or audio amplifiers.In audio systems, the decoder enables two 4-bit binary inputs to be decoded into four active, mutually exclusive outputs, allowing the system to switch between inputs quickly. This makes SN74HC139DE4 an ideal choice for the inputs of LCD displays, as they require a great deal of switch quality, but at a low cost. In communication applications, SN74HC139DE4 can be used to quickly switch between multiple inputs or multiple options and provide stable communication. In robotics and factory automation, this multiplexer/decoder is ideal for switching between multiple inputs (e.g. different robotic arms or multiple steering wheels in a vehicle) and allow for quick and reliable data transmission.Working Principle
The SN74HC139DE4 consists of two identical 4-to-1 multiplexers, each with two binary inputs (A and B) and four mutually exclusive outputs (Y0, Y1, Y2 and Y3). The multiplexer outputs Y0 to Y3 are selected by a single select (S) input, which is connected to an internal AND gate. The binary inputs A and B control the select input S by causing the output of the AND gate to be high (1) or low (0). If the AND gate output is low, the select input S is low and output Y0 is selected. If the AND gate output is high, then the two binary inputs select which output is selected. If binary input A is low and B is high, then output Y1 is selected; if A is high and B is low, then output Y2 is selected; and if A is high and B is high, then output Y3 is selected.Conclusion
The SN74HC139DE4 is a dual 1-of-4 decoder that belongs to the family of logic switches, multiplexers and decoders from Texas Instruments. This device is widely used in various applications that require high speed and effective decoding logic. It consists of two identical 4-to-1 multiplexers, each with two binary inputs and four mutually exclusive outputs, which are selected by a single select input controlled by the binary inputs.The specific data is subject to PDF, and the above content is for reference
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