| Allicdata Part #: | MC74LCX138MEL-ND |
| Manufacturer Part#: |
MC74LCX138MEL |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | ON Semiconductor |
| Short Description: | IC DECODER/DEMUX 3-8 16-SOEIAJ |
| More Detail: | Decoder/Demultiplexer 1 x 3:8 16-SOEIAJ |
| DataSheet: |  MC74LCX138MEL Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | 0.00000 |
Specifications
| Series: | 74LCX |
| 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 ~ 3.6 V |
| Operating Temperature: | -40°C ~ 85°C |
| Mounting Type: | Surface Mount |
| Package / Case: | 16-SOIC (0.209", 5.30mm Width) |
| Supplier Device Package: | 16-SOEIAJ |
| Base Part Number: | 74LCX138 |
Description
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MC74LCX138MEL is a high speed 3-to-8 line decoder/demultiplexer commonly used in various industrial applications. It is a high-speed logic IC and can be used as an analog or digital signal switch or logic signal controller. This article will focus on the application field and working principle of the MC74LCX138MEL.
Application Field
The MC74LCX138MEL is typically used in telecommunications, industrial control, signal processing and signal routing systems. It can also be used in a variety of audio and video systems including home theater systems, public address systems, teleconferencing systems, satellite navigation systems and wireless communications systems. The MC74LCX138MEL is also suitable for applications in automotive electronics, medical systems, computer and network monitoring, military and aerospace systems, and test systems.
The MC74LCX138MEL is used as an address decoder that can enable or disable the output channels of a logic device while the input address is selected. The MC74LCX138MEL is designed to be used in a variety of applications where three I/O ports are needed. It can be used in combination with two LCX138ALs to provide up to 32 I/O ports. The MC74LCX138MEL is also used to multiplex digital and analog signals. It is commonly used to switch between two different sets of address for both read and write operations.
Working Principle
The MC74LCX138MEL works by decoding a 3-bit binary-encoded address and generating up to 8 outputs. The three output enable pins of the MC74LCX138MEL should be used in combination with the decoded outputs to obtain the desired logic control. The 3-bit address decoding is performed by the decoding logic circuitry of the MC74LCX138MEL. The 3-bit address which is input to the MC74LCX138MEL is compared with the contents of the internal address register. If the contents of the address register match the 3-bit input address, then one of the 8 outputs of the MC74LCX138MEL is activated. The remaining 7 outputs are deactivated.
The MC74LCX138MEL also includes an active-low output enable pin which can be used to further control the logic of the decoder. The active-low output enable pin is used to enable or disable the active output of the decoder. This pin can be connected to an external logic signal which can be used to enable or disable the output of the decoder depending on the logic level of the signal.
The MC74LCX138MEL is designed to be used at operating temperatures of -55°C to 125°C. It has a very high switching speed which makes it suitable for applications requiring high performance and reliability. The power dissipation of the MC74LCX138MEL is very low and it can be operated at very low power supply rails. It is also capable of operating at high frequencies of up to 50MHz.
In summary, the MC74LCX138MEL is a high-speed 3-to-8 line decoder/demultiplexer commonly used in various industrial applications. It is a high-speed logic IC and can be used as an analog or digital signal switch or logic signal controller. It is typically used in telecommunications, industrial control, signal processing and signal routing systems. The operating temperature of the MC74LCX138MEL is -55°C to 125°C and it has a high switching speed of up to 50MHz.
The specific data is subject to PDF, and the above content is for reference
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