Texas Instruments

SN74ALS243AN  

Buffers, Drivers, Receivers, Transceivers

SN74ALS243AN Description

The SN74ALS243AN is a dual 4-bit bus transceiver designed by Texas Instruments, a leading manufacturer in the semiconductor industry. This logic IC chip is part of the 74ALS series, known for its high-speed performance and reliability. The SN74ALS243AN features a through-hole mounting type, making it suitable for applications requiring robust mechanical stability. It is housed in a tube package, ensuring easy handling and storage.

The device operates within a supply voltage range of 4.5V to 5.5V and is designed to function efficiently within an operating temperature range of 0°C to 70°C (TA). It supports a single element with 4 bits per element, providing efficient data transfer capabilities. The SN74ALS243AN offers a current output of 15mA for high levels and 24mA for low levels, ensuring robust signal transmission.

This IC is classified under the HTSUS code 8542.39.0001 and is compliant with the REACH and RoHS3 regulations, indicating its environmental safety and suitability for a wide range of applications. With a moisture sensitivity level (MSL) of 1 (unlimited), the SN74ALS243AN is highly resistant to moisture, enhancing its reliability in various environmental conditions.

SN74ALS243AN Features

The SN74ALS243AN boasts several unique features that set it apart from similar models:

• Dual 4-Bit Bus Transceiver: This feature allows for efficient bidirectional data transfer, making it ideal for applications requiring high-speed communication between different systems.
• High-Speed Performance: As part of the 74ALS series, the SN74ALS243AN delivers high-speed performance, ensuring minimal latency in data transmission.
• Robust Current Output: With a current output of 15mA for high levels and 24mA for low levels, the SN74ALS243AN ensures strong and reliable signal transmission, even over longer distances.
• Wide Operating Temperature Range: The device operates reliably within a temperature range of 0°C to 70°C (TA), making it suitable for a variety of industrial and commercial applications.
• Environmental Compliance: Compliance with REACH and RoHS3 regulations ensures that the SN74ALS243AN is environmentally friendly and safe for use in regulated environments.
• Moisture Resistance: With an MSL of 1 (unlimited), the SN74ALS243AN is highly resistant to moisture, enhancing its reliability in humid or damp conditions.

SN74ALS243AN Applications

The SN74ALS243AN is ideal for a variety of applications, including:

• Data Communication Systems: The dual 4-bit bus transceiver capability makes it suitable for high-speed data transfer between different systems, ensuring efficient communication.
• Industrial Control Systems: The robust current output and wide operating temperature range make it ideal for industrial applications where reliability and durability are paramount.
• Commercial Electronics: The device's compliance with environmental regulations and its moisture resistance make it suitable for use in commercial electronics, ensuring long-term reliability and performance.
• Automotive Applications: The SN74ALS243AN's high-speed performance and environmental compliance make it suitable for automotive applications, where reliable data transfer and environmental safety are critical.

Conclusion of SN74ALS243AN

The SN74ALS243AN is a versatile and reliable dual 4-bit bus transceiver, offering high-speed performance and robust signal transmission capabilities. Its compliance with environmental regulations and its moisture resistance make it suitable for a wide range of applications, from industrial control systems to commercial electronics. Despite being marked as obsolete, the SN74ALS243AN remains a valuable component for applications requiring reliable and efficient data transfer.

SN74ALS243AN Documents

Download datasheets and manufacturer documentation for SN74ALS243AN

Datasheets :

SN54/74ALS243A      

PCN Obsolescence/ EOL :

SSL Devices, 22/Jul/2014      

HTML Datasheet :

SN54/74ALS243A      

PCN Design/Specification :

Copper Bond Wire Revision A 04/Dec/2013