Texas Instruments

SN74LS259BNSRG4

SN74LS259BNSRG4 Description

The SN74LS259BNSRG4 is a high-performance, addressable latch designed for a wide range of digital applications. Manufactured by Texas Instruments, this logic IC chip belongs to the 74LS series and is housed in a Surface Mount package, specifically a 16SO (Small Outline) configuration. This device is designed to operate 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. The SN74LS259BNSRG4 features a 1:8 circuit configuration, providing eight independent output circuits controlled by a single addressable latch. It offers a propagation delay time of 19ns, ensuring fast and efficient signal processing.

SN74LS259BNSRG4 Features

• High-Speed Performance: With a propagation delay of just 19ns, the SN74LS259BNSRG4 ensures rapid signal processing, making it ideal for high-speed digital applications.
• Robust Output Current: The device can handle an output current of 400µA for high-level outputs and 8mA for low-level outputs, providing reliable performance even under demanding conditions.
• Single Addressable Latch: The 1:8 circuit configuration allows for eight independent output circuits controlled by a single addressable latch, simplifying design and reducing component count.
• Surface Mount Compatibility: The 16SO package type is suitable for surface mount technology, facilitating easy integration into modern PCB designs.
• Wide Operating Temperature Range: The SN74LS259BNSRG4 operates reliably within a temperature range of 0°C to 70°C, making it suitable for various environmental conditions.
• Compliance and Safety: The device is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (Unlimited), the SN74LS259BNSRG4 is highly resistant to moisture, enhancing its reliability and longevity in storage and operation.

SN74LS259BNSRG4 Applications

The SN74LS259BNSRG4 is well-suited for a variety of applications due to its high-speed performance, robust output current, and versatile circuit configuration. Some specific use cases include:

• Digital Systems: Ideal for use in digital systems requiring fast and reliable signal processing, such as microcontrollers, CPUs, and digital signal processors.
• Memory Applications: The addressable latch feature makes it suitable for memory address decoding and data storage applications.
• Peripheral Control: Can be used in peripheral control circuits, such as those found in printers, scanners, and other peripheral devices.
• Telecommunications: The device's high-speed performance and robust output current make it suitable for telecommunications equipment, including routers and switches.
• Automotive Electronics: Given its wide operating temperature range and moisture resistance, the SN74LS259BNSRG4 can be used in automotive electronic systems, such as engine control units and infotainment systems.

Conclusion of SN74LS259BNSRG4

The SN74LS259BNSRG4 is a versatile and high-performance logic IC chip that offers significant advantages over similar models. Its fast propagation delay, robust output current, and single addressable latch configuration make it an ideal choice for a wide range of digital applications. The device's compliance with environmental and safety standards, along with its moisture resistance, ensures reliability and longevity. While the SN74LS259BNSRG4 is now obsolete, its legacy continues to influence modern digital circuit design, and it remains a valuable component for those working with legacy systems or requiring its specific features.