Texas Instruments

SN74LS243DR  

Buffers, Drivers, Receivers, Transceivers

SN74LS243DR Description

The SN74LS243DR is a high-performance logic IC chip designed by Texas Instruments, specifically tailored for non-inverting transmission and reception applications. This device is part of the renowned 74LS series, known for its reliability and efficiency in digital circuitry. The SN74LS243DR operates within a supply voltage range of 4.75V to 5.25V, ensuring stable performance across a variety of electronic systems. It features a single element with 4 bits per element, providing robust data handling capabilities.

The SN74LS243DR is designed for surface mount applications, making it ideal for modern, space-constrained electronic designs. It is available in a 14-pin SOIC package, which is both compact and easy to integrate into various PCB layouts. The device is rated for an operating temperature range of 0°C to 70°C (TA), making it suitable for a wide range of industrial and commercial applications. Additionally, the SN74LS243DR is REACH unaffected and RoHS3 compliant, ensuring it meets the highest environmental and safety standards.

SN74LS243DR Features

• High Output Current Capability: The SN74LS243DR can deliver an output current of 15mA for high levels and 24mA for low levels, making it capable of driving multiple loads efficiently.
• Wide Operating Voltage Range: With a supply voltage range of 4.75V to 5.25V, this IC ensures reliable operation across different power supply conditions.
• Non-Inverting Functionality: The non-inverting nature of the SN74LS243DR simplifies circuit design and reduces the need for additional inverters, saving space and reducing complexity.
• Surface Mount Compatibility: The surface mount design allows for easy integration into modern PCBs, enhancing the overall design flexibility.
• Moisture Sensitivity Level 1: The SN74LS243DR has a moisture sensitivity level of 1 (unlimited), making it highly resistant to moisture and suitable for long-term storage and use in various environments.
• Compliance and Safety: The device is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety regulations.

SN74LS243DR Applications

The SN74LS243DR is versatile and can be used in a variety of applications where reliable data transmission and reception are required. Some specific use cases include:

• Data Communication Systems: Ideal for use in systems where data integrity and efficient transmission are critical, such as in industrial control systems and communication interfaces.
• Consumer Electronics: Suitable for applications in consumer electronics where compact design and high performance are essential, such as in digital signal processing and control circuits.
• Automotive Electronics: Given its robustness and compliance with environmental standards, the SN74LS243DR is well-suited for automotive applications, including engine control units and infotainment systems.
• Medical Devices: The device's reliability and compliance with safety standards make it suitable for use in medical equipment where precision and reliability are paramount.

Conclusion of SN74LS243DR

The SN74LS243DR from Texas Instruments is a high-performance logic IC chip that offers a combination of robust performance, reliability, and compliance with environmental standards. Its non-inverting functionality, high output current capability, and wide operating voltage range make it an excellent choice for a variety of applications. Whether used in data communication systems, consumer electronics, automotive electronics, or medical devices, the SN74LS243DR provides a reliable and efficient solution for non-inverting transmission and reception needs.

SN74LS243DR Documents

Download datasheets and manufacturer documentation for SN74LS243DR

Datasheets :

SN54LS242-43, SN74LS242-43      

HTML Datasheet :

SN54LS242-43, SN74LS242-43      

PCN Design/Specification :

Design 25/Feb/2022