Texas Instruments

SN74LS259BNSR

SN74LS259BNSR Description

The SN74LS259BNSR is an 8-bit addressable latch designed by Texas Instruments, a leading manufacturer in the semiconductor industry. This integrated circuit (IC) is part of the 74LS series and is housed in a 16SO surface-mount package. It is designed for applications requiring a compact, reliable, and efficient solution for data storage and retrieval. The SN74LS259BNSR operates within a supply voltage range of 4.75V to 5.25V and can function effectively within an operating temperature range of 0°C to 70°C. This makes it suitable for a variety of industrial and commercial applications.

SN74LS259BNSR Features

The SN74LS259BNSR offers several key features that make it a robust choice for electronic designs:

• Operating Temperature: The IC operates reliably within a temperature range of 0°C to 70°C, ensuring stability in various environmental conditions.
• Output Type: Standard output type ensures compatibility with a wide range of digital circuits.
• Independent Circuits: The device features one independent circuit, simplifying design and reducing complexity.
• Circuit Configuration: The 1:8 circuit configuration allows for efficient addressable storage, making it ideal for applications requiring multiple data points.
• Mounting Type: Surface-mount technology (SMT) allows for compact and reliable integration into modern electronic assemblies.
• Propagation Delay: With a propagation delay of 19ns, the SN74LS259BNSR ensures fast and efficient data handling, crucial for high-speed applications.
• Output Current: The IC supports an output current of 400µA for high-level outputs and 8mA for low-level outputs, providing flexibility in driving various loads.
• Compliance and Standards: The SN74LS259BNSR is REACH unaffected and RoHS3 compliant, meeting stringent environmental and safety standards.
• Moisture Sensitivity Level: MSL 1 (Unlimited) indicates that the device is not sensitive to moisture, reducing the risk of damage during assembly and storage.

SN74LS259BNSR Applications

The SN74LS259BNSR is well-suited for a variety of applications due to its versatile features and reliable performance. Some specific use cases include:

• Memory Systems: Ideal for use in memory systems where addressable storage is required, such as in microcontroller-based designs.
• Data Storage: Suitable for applications requiring temporary data storage and retrieval, such as in buffering and intermediate data handling.
• Digital Logic Circuits: Can be integrated into complex digital logic circuits to manage and control data flow efficiently.
• Industrial Control Systems: The wide operating temperature range and robust performance make it suitable for industrial control systems where reliability is paramount.

Conclusion of SN74LS259BNSR

The SN74LS259BNSR from Texas Instruments is a reliable and efficient 8-bit addressable latch designed for a wide range of applications. Its compact surface-mount package, combined with its robust performance and compliance with industry standards, makes it a versatile choice for modern electronic designs. While it is now considered obsolete, the SN74LS259BNSR remains a valuable component for legacy systems and applications where its unique features and performance benefits are still relevant.