Texas Instruments

SN74LS259BD

SN74LS259BD Description

The SN74LS259BD is a high-performance, 8-bit addressable latch designed for a variety of digital applications. Manufactured by Texas Instruments, this logic IC chip belongs to the 74LS series and is housed in a 16-SOIC package. It operates within a supply voltage range of 4.75V to 5.25V and features a standard output type with a propagation delay time of 19ns. The device supports a single independent circuit with an 1:8 configuration, making it suitable for applications requiring multiple output selections.

SN74LS259BD Features

• Operating Temperature: The SN74LS259BD is designed to operate within a temperature range of 0°C to 70°C, ensuring reliable performance in standard industrial environments.
• Output Type: It offers a standard output type, providing consistent and reliable signal transmission.
• Propagation Delay: With a delay time of 19ns, the SN74LS259BD ensures fast and efficient data processing, making it ideal for high-speed applications.
• Supply Voltage: The device operates within a supply voltage range of 4.75V to 5.25V, ensuring compatibility with standard 5V digital systems.
• Independent Circuits: The SN74LS259BD features a single independent circuit with an 1:8 configuration, allowing for versatile output selection and control.
• Mounting Type: The surface mount package type facilitates easy integration into compact and densely populated PCB designs.
• Compliance: The device is REACH unaffected and ROHS3 compliant, ensuring it meets the latest environmental and safety standards.
• Current Handling: It supports an output current of 400µA for high-level outputs and 8mA for low-level outputs, providing robust performance for various load conditions.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the SN74LS259BD is suitable for storage and handling in a wide range of environments without the need for special precautions.

SN74LS259BD Applications

The SN74LS259BD is ideal for applications requiring efficient data storage and retrieval, such as:

• Memory Address Decoding: The device can be used to decode memory addresses in microprocessor systems, enabling efficient data access and storage.
• Digital Multiplexing: It can serve as a multiplexer in digital systems, allowing multiple input signals to be selected and processed based on address inputs.
• Control Logic: The SN74LS259BD can be employed in control logic circuits to manage and route signals in complex digital systems.
• Data Latching: It provides reliable data latching capabilities, ensuring data integrity and stability in various digital applications.

Conclusion of SN74LS259BD

The SN74LS259BD from Texas Instruments stands out as a versatile and reliable 8-bit addressable latch, offering a range of features that make it suitable for a variety of digital applications. Its fast propagation delay, standard output type, and robust current handling capabilities ensure efficient and reliable performance. The device's compliance with environmental and safety standards, along with its surface mount package, makes it an ideal choice for modern electronics design. Whether used in memory address decoding, digital multiplexing, or control logic, the SN74LS259BD provides a high-performance solution for digital systems.