Texas Instruments

SN74ALS156DR  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74ALS156DR Description

The SN74ALS156DR is a high-performance decoder/demultiplexer integrated circuit (IC) from Texas Instruments, designed to provide reliable and efficient signal routing in various electronic systems. This IC features a 2 x 1:4 circuit configuration, enabling it to decode two input lines into four output lines, making it ideal for applications requiring signal expansion and distribution. The SN74ALS156DR operates within a voltage supply range of 4.5V to 5.5V and is designed for single supply operation, ensuring compatibility with a wide range of power sources.

The SN74ALS156DR is housed in a surface-mount 16SOIC package, which is suitable for modern, space-constrained designs. It offers a current output capability of 100µA for high-level outputs and 8mA for low-level outputs, ensuring robust signal handling. The device is rated for an operating temperature range of 0°C to 70°C, making it suitable for use in a variety of industrial and commercial environments. Additionally, the SN74ALS156DR is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards.

SN74ALS156DR Features

• High-Performance Decoding: The 2 x 1:4 circuit configuration allows for efficient decoding of input signals into multiple output lines, enhancing signal management capabilities.
• Single Supply Operation: The SN74ALS156DR operates within a 4.5V to 5.5V supply voltage range, simplifying power management and ensuring compatibility with various power sources.
• Surface-Mount Packaging: The 16SOIC package is ideal for surface-mount technology (SMT), enabling compact and reliable integration into modern electronic designs.
• Robust Current Handling: The IC supports output currents of 100µA for high-level outputs and 8mA for low-level outputs, ensuring reliable signal transmission.
• Wide Operating Temperature Range: With an operating temperature range of 0°C to 70°C, the SN74ALS156DR is suitable for use in diverse environmental conditions.
• Compliance and Safety: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: MSL 1 (Unlimited) ensures the IC is suitable for use in environments with varying humidity levels.

SN74ALS156DR Applications

The SN74ALS156DR is well-suited for a variety of applications where signal decoding and demultiplexing are required. Some specific use cases include:

• Data Routing: Efficiently routes data signals in communication systems, ensuring reliable data transmission.
• Control Systems: Used in industrial control systems to manage and distribute control signals to various components.
• Consumer Electronics: Ideal for applications in consumer electronics where signal expansion and distribution are necessary.
• Automotive Electronics: Suitable for automotive applications requiring robust signal handling and compliance with environmental standards.
• Medical Devices: The SN74ALS156DR can be used in medical devices where reliability and compliance with safety standards are paramount.

Conclusion of SN74ALS156DR

The SN74ALS156DR from Texas Instruments is a versatile and reliable decoder/demultiplexer IC, offering a range of features that make it suitable for a variety of applications. Its 2 x 1:4 circuit configuration, single supply operation, and robust current handling capabilities ensure efficient signal management. The surface-mount 16SOIC package and wide operating temperature range make it ideal for modern, space-constrained designs. With its compliance to environmental and safety standards, the SN74ALS156DR is a reliable choice for engineers and designers looking for a high-performance decoding solution.

SN74ALS156DR Documents

Download datasheets and manufacturer documentation for SN74ALS156DR

Datasheets :

SN74ALS156      

HTML Datasheet :

SN74ALS156      

PCN Design/Specification :

Mult Devices Font 21/Apr/2018       Design 25/Feb/2022