Texas Instruments

SN74LS641DWR  

Buffers, Drivers, Receivers, Transceivers

SN74LS641DWR Description

The SN74LS641DWR is a high-performance, non-inverting transceiver IC designed for robust data transmission in various electronic systems. Manufactured by Texas Instruments, this device is part of the 74LS series, known for its reliability and efficiency. The SN74LS641DWR operates within a supply voltage range of 4.75V to 5.25V and is designed to function optimally within an operating temperature range of 0°C to 70°C (TA). This transceiver is equipped with a single element, featuring 8 bits per element, and utilizes an open collector output type. The device is packaged in a surface mount 20SOIC format, making it suitable for compact and high-density PCB designs. The SN74LS641DWR is RoHS3 compliant and REACH unaffected, ensuring compliance with environmental regulations. It is also categorized under HTSUS code 8542.39.0001 and has a moisture sensitivity level (MSL) of 1, indicating it is not moisture-sensitive and can be stored indefinitely.

SN74LS641DWR Features

The SN74LS641DWR offers several key features that set it apart from similar models:

• Wide Operating Voltage Range: The device operates efficiently within a supply voltage range of 4.75V to 5.25V, providing flexibility in power supply requirements.
• Non-Inverting Transceiver: The non-inverting nature of the transceiver ensures that the data transmitted maintains its original polarity, which is crucial for accurate data communication.
• Open Collector Output: This feature allows for multiple devices to share a common bus without causing signal conflicts, enhancing the robustness of the system.
• Surface Mount Packaging: The 20SOIC package type supports surface mount technology, enabling high-density PCB layouts and reducing the overall footprint of the design.
• Compliance and Reliability: The SN74LS641DWR is RoHS3 compliant and REACH unaffected, ensuring it meets stringent environmental standards. Additionally, its moisture sensitivity level of 1 (unlimited) makes it suitable for a wide range of storage conditions.
• Single Element Design: With a single element featuring 8 bits per element, the device is optimized for applications requiring efficient data handling and transmission.

SN74LS641DWR Applications

The SN74LS641DWR is ideal for a variety of applications, particularly those requiring reliable and efficient data transmission:

• Data Communication Systems: The non-inverting transceiver is well-suited for systems where data integrity and accurate transmission are critical.
• High-Density PCB Designs: The surface mount 20SOIC package makes it an excellent choice for compact and space-constrained applications.
• Industrial Control Systems: The wide operating voltage range and robust design make it suitable for industrial environments where reliability and durability are paramount.
• Telecommunications: The device's ability to handle multiple data lines efficiently makes it a good fit for telecommunication applications requiring high-speed data transfer.

Conclusion of SN74LS641DWR

The SN74LS641DWR is a versatile and reliable transceiver IC that offers several unique features and benefits. Its wide operating voltage range, non-inverting transceiver design, and open collector output type make it suitable for a variety of applications, particularly those requiring efficient data transmission and high-density PCB layouts. The device's compliance with environmental regulations and its robust packaging further enhance its appeal. While the product is now obsolete, it remains a valuable component for legacy systems and applications where its specific features are required.

SN74LS641DWR Documents

Download datasheets and manufacturer documentation for SN74LS641DWR

Datasheets :

SN54LS640-42/644-45, SN74LS640-42/644-45      

HTML Datasheet :

SN54LS640-42/644-45, SN74LS640-42/644-45