Texas Instruments

SN74LS348NS  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74LS348NS Description

The SN74LS348NS is a high-performance priority encoder integrated circuit (IC) designed by Texas Instruments. This logic IC chip is part of the 74LS series and is specifically engineered to encode 8 input lines into 3 output lines, prioritizing the highest-order active input. It operates within a voltage supply range of 4.75V to 5.25V and is suitable for a wide range of applications requiring efficient data encoding and prioritization.

SN74LS348NS Features

• Operating Temperature Range: The SN74LS348NS is designed to operate within an ambient temperature range of 0°C to 70°C, making it suitable for use in various industrial and commercial environments.
• Single Supply Voltage: It operates on a single supply voltage, simplifying power management and reducing the complexity of the power supply circuitry.
• Priority Encoding: The IC features a 1 x 8:3 priority encoding circuit, which ensures that the highest-order active input is encoded and prioritized, providing reliable and efficient data handling.
• Output Current Capability: The SN74LS348NS can provide up to 400µA for high output and 24mA for low output, ensuring robust performance in various load conditions.
• Surface Mount Technology: The device is designed for surface mount applications, offering enhanced reliability and ease of integration into modern printed circuit boards.
• Moisture Sensitivity Level: With an MSL rating of 3 (168 hours), the SN74LS348NS is well-suited for environments where moisture resistance is a critical factor.
• Compliance and Status: The SN74LS348NS is classified under ECCN EAR99 and HTSUS 8542.39.0001, indicating its compliance with international trade regulations. It is also marked as active, ensuring its availability for current and future projects.

SN74LS348NS Applications

The SN74LS348NS is ideal for applications requiring efficient data encoding and prioritization, such as:

• Microprocessor Systems: Used in microprocessor-based systems to encode interrupt requests and prioritize them based on their order of importance.
• Data Communication: In data communication systems, the SN74LS348NS can encode multiple input signals into a smaller number of output lines, optimizing data transmission and reducing complexity.
• Control Systems: Ideal for control systems where multiple inputs need to be encoded and prioritized to ensure efficient and reliable operation.
• Industrial Automation: Used in industrial automation systems to encode and prioritize sensor inputs, ensuring that critical signals are processed first.

Conclusion of SN74LS348NS

The SN74LS348NS from Texas Instruments is a versatile and reliable priority encoder IC that offers significant advantages in terms of performance and functionality. Its ability to encode 8 input lines into 3 output lines with prioritization ensures efficient data handling and prioritization. The single supply voltage operation and surface mount technology make it easy to integrate into modern electronic systems. With its wide operating temperature range and moisture sensitivity level rating, the SN74LS348NS is well-suited for various industrial and commercial applications. Whether used in microprocessor systems, data communication, control systems, or industrial automation, the SN74LS348NS provides a robust and efficient solution for encoding and prioritizing multiple input signals.

SN74LS348NS Documents

Download datasheets and manufacturer documentation for SN74LS348NS