Texas Instruments

SN74LS156NSR  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74LS156NSR Description

The SN74LS156NSR is a high-performance decoder/demultiplexer IC designed for a wide range of digital applications. Manufactured by Texas Instruments, this logic IC chip belongs to the 74LS series and is known for its robustness and reliability. The SN74LS156NSR features a 2 x 1:4 decoding circuit with independent circuits, making it ideal for applications requiring efficient signal routing and decoding. It operates within a voltage supply range of 4.75V to 5.25V and is designed for a single supply voltage source. The device is available in a surface-mount package, specifically in a Tape & Reel (TR) format, which is suitable for automated assembly processes.

SN74LS156NSR Features

• Operating Temperature Range: The SN74LS156NSR operates reliably within a temperature range of 0°C to 70°C, making it suitable for various industrial and commercial applications.
• Single Supply Voltage: The device operates on a single supply voltage, simplifying power management and reducing the complexity of power supply design.
• Current Capability: The SN74LS156NSR can handle output currents of up to 8mA for low states and 100µA for high states, ensuring robust performance in various circuit configurations.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the SN74LS156NSR is highly resistant to moisture, making it suitable for use in high-humidity environments.
• Compliance and Standards: The SN74LS156NSR is REACH Unaffected and ROHS3 Compliant, adhering to stringent environmental and safety standards.
• Packaging: The device is packaged in a Tape & Reel format, facilitating efficient handling and assembly in high-volume production environments.

SN74LS156NSR Applications

The SN74LS156NSR is versatile and finds applications in a variety of digital systems where efficient signal decoding and demultiplexing are required. Some specific use cases include:

• Digital Signal Processing: In systems where multiple digital signals need to be routed to different destinations based on control inputs, the SN74LS156NSR provides an efficient and reliable solution.
• Microcontroller Interfaces: The device can be used to expand the number of output ports in microcontroller applications, allowing for more complex control and interfacing tasks.
• Memory Address Decoding: In memory systems, the SN74LS156NSR can be employed to decode address lines, enabling access to specific memory locations.
• Industrial Control Systems: The robustness and reliability of the SN74LS156NSR make it suitable for industrial control applications where signals need to be accurately routed and decoded.

Conclusion of SN74LS156NSR

The SN74LS156NSR from Texas Instruments is a high-quality decoder/demultiplexer IC that offers a reliable and efficient solution for digital signal routing and decoding. Its wide operating temperature range, single supply voltage operation, and robust current handling capabilities make it a versatile choice for various applications. The device's compliance with environmental and safety standards, along with its moisture resistance, ensures long-term reliability and performance. Whether used in digital signal processing, microcontroller interfaces, memory address decoding, or industrial control systems, the SN74LS156NSR stands out as a reliable and efficient component in the electronics industry.

SN74LS156NSR Documents

Download datasheets and manufacturer documentation for SN74LS156NSR

Datasheets :

SN54155-56, SN74155-56, SN54/74LS155A/156      

PCN Packaging :

Carrier Tape Update 23/Feb/2015       PCN Cancelled 17/Apr/2015      

HTML Datasheet :

SN54155-56, SN74155-56, SN54/74LS155A/156