SN74LVC138DR
Manufacturer: Texas Instruments
Part Number: SN74LVC138DR
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| Attribute | Value |
| cate_name | Encoders/Decoders |
| rohs | Non compliant |
| reference_package | SOP-16 |
| mounting | SMD mount |
| application_level | Industrial |
| lifecycle | |
| spm | Tape & Reel |
| operating_temperature | -40℃~85℃ |
| length_width_height | 9.9mm*3.91mm*1.58mm |
| high_level_output_current | -24mA |
| low_level_output_current | 24mA |
| max_operating_supply_voltage | 3.6V |
| min_operating_supply_voltage | - |
| number_of_inputs | 3 |
| number_of_outputs | 8 |
| propagation_delay_time | - |
Overview:
The Texas Instruments SN74LVC138DR is a high-performance 1-of-8 decoder/demultiplexer integrated circuit. It is designed to be versatile and efficient in various digital applications, providing a reliable solution for decoding and demultiplexing tasks. This device is part of the 74LVC series, known for its low voltage operation and fast switching capabilities.
Features:
1. 1-of-8 Decoding Capability: The SN74LVC138DR can decode three address inputs to select one of eight outputs.
2. Low Voltage Operation: Operates at a low supply voltage range of 2V to 3.6V, making it suitable for battery-powered applications.
3. High-Speed Performance: With a propagation delay of 3.5ns, it ensures fast response times.
4. 3-State Outputs: All outputs are 3-state, allowing for bus-oriented systems and reducing power consumption when not in use.
5. Low Power Consumption: Consumes minimal power, ideal for energy-efficient designs.
6. Wide Temperature Range: Operates in a wide temperature range of -40°C to +85°C, suitable for various environments.
Development Support:
Texas Instruments provides comprehensive development support for the SN74LVC138DR, including:
- Technical Documentation: Detailed datasheets, application notes, and reference designs.
- Design Tools: Software tools for circuit simulation and design optimization.
- Engineering Support: Access to expert advice and technical support during the development phase.
Application Areas:
The SN74LVC138DR is widely used in various applications due to its versatility:
- Microcontroller I/O Expansion: Extending the I/O capabilities of microcontrollers.
- Data Routing: In communication systems for efficient data routing.
- Memory Address Decoding: For memory management in digital systems.
- Signal Distribution: In systems requiring signal distribution to multiple components.
Parameter Introduction:
- Supply Voltage (Vcc): 2V to 3.6V
- Propagation Delay: 3.5ns (typical)
- Output Current per Output: -24mA (low), 8mA (high)
- Operating Temperature Range: -40°C to +85°C
- Package Types: SOIC, TSSOP, etc.
Frequently Asked Questions (FAQs):
1. Q: What is the maximum operating frequency of the SN74LVC138DR?
A: The maximum operating frequency depends on the specific conditions, but the propagation delay of 3.5ns indicates high-speed performance suitable for many applications.
2. Q: Can the SN74LVC138DR be used in automotive applications?
A: Yes, its wide temperature range and robust performance make it suitable for automotive applications.
3. Q: How do I determine which output is active?
A: The active output corresponds to the binary value of the three address inputs (A0, A1, A2).
4. Q: Is there any specific requirement for the input voltage levels?
A: The input voltage levels should be compatible with the supply voltage range of 2V to 3.6V.
5. Q: Can I use the SN74LVC138DR in a system with a different supply voltage?
A: It is designed for a specific voltage range, and using it outside this range may lead to incorrect operation or damage.
The Texas Instruments SN74LVC138DR is a robust and reliable choice for applications requiring efficient decoding and demultiplexing capabilities, backed by the support and resources of a leading semiconductor manufacturer.
Please refer to the product rule book for details.
TI is best known for its innovative contributions to the electronics industry. It pioneered the development of the integrated circuit in 1958, a technological breakthrough that revolutionized the world of electronics and paved the way for modern computing systems. This innovation has been foundational in the advancement of computers, telecommunications, and many other electronic devices.
The company operates through two main segments: Analog and Embedded Processing. The Analog segment focuses on products like power management chips, audio and operational amplifiers, data converters, and interface products. These components are crucial for managing power, amplifying sound, converting signals, and facilitating communication between devices. TI's analog ICs are used in a wide variety of applications, including industrial, automotive, personal electronics, communication equipment, and enterprise systems.
The Embedded Processing segment involves microcontrollers, digital signal processors (DSPs), and applications processors. These products are used in automotive, industrial, and consumer electronics applications. They are essential for processing complex digital data, controlling electronic systems, and supporting the infrastructure of smart devices and the Internet of Things (IoT).
Texas Instruments also places a strong emphasis on education through its educational technology products, including graphing calculators and classroom software. TI’s calculators have been a staple in mathematics and science classrooms around the world, helping to educate generations of students and making complex mathematical concepts more accessible.
TI is committed to innovation and quality, investing heavily in research and development. The company holds thousands of patents and is continually pushing the boundaries of what is possible in electronics technology. TI’s innovations not only enhance the performance and efficiency of electronic products but also contribute to environmental sustainability through advancements in power-saving technologies.
Moreover, Texas Instruments maintains a strong ethical stance with a commitment to corporate responsibility. It strives to uphold high standards in environmental responsibility, community engagement, and governance practices. TI's corporate culture is characterized by a focus on integrity, respect, and the aspiration to achieve the highest level of customer satisfaction.
In summary, Texas Instruments stands as a leader in the semiconductor industry, driven by a history of innovation, a broad portfolio of technologies, and a commitment to positively impacting the world through its products and practices. Whether through advancing technology or empowering education, TI continues to shape a future where electronics enhance the lives of people everywhere.
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