Texas Instruments

SN74LS156D  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74LS156D Description

The SN74LS156D is a high-performance decoder/demultiplexer integrated circuit (IC) designed by Texas Instruments. This device is part of the 74LS series, known for its reliability and efficiency in digital logic applications. The SN74LS156D features a 2 x 1:4 decoding/demultiplexing circuit, providing independent control over multiple output lines based on input signals. It operates within a voltage supply range of 4.75V to 5.25V and is designed for single supply operation, making it suitable for a variety of power configurations.

The SN74LS156D is housed a in surface-mount 16SOIC package, which facilitates easy integration into compact electronic designs. It offers a current output high of 100µA and a current output low of 8mA, ensuring robust performance in various load conditions. The operating temperature range of 0°C to 70°C makes it suitable for a wide range of industrial and consumer applications.

SN74LS156D Features

• Operating Temperature: 0°C to 70°C, ensuring reliable performance in diverse environmental conditions.
• ECCN: EAR99, indicating compliance with export regulations.
• Independent Circuits: 1, providing a single, dedicated decoding/demultiplexing function.
• Circuit Type: 2 x 1:4, allowing for efficient control of multiple output lines from a single input.
• Mounting Type: Surface Mount, enabling integration into compact and space-constrained designs.
• Voltage Supply Source: Single Supply, simplifying power requirements.
• Product Status: Last Time Buy, offering a limited availability for legacy systems and specific applications.
• Series: 74LS, a well-established series known for its reliability and compatibility.
• Type: Decoder/Demultiplexer, ideal for signal routing and decoding applications.
• Voltage - Supply: 4.75V to 5.25V, ensuring compatibility with standard digital logic power supplies.
• REACH Status: REACH Unaffected, ensuring compliance with environmental regulations.
• Mfr: Texas Instruments, a leading manufacturer of semiconductor products.
• HTSUS: 8542.39.0001, facilitating accurate customs classification.
• Package: Tube, providing a convenient and protective packaging option.
• RoHS Status: ROHS3 Compliant, ensuring compliance with environmental standards.
• Base Product Number: 74LS156, a widely recognized part number for compatibility and reference.
• Current - Output High, Low: 100µA, 8mA, ensuring robust performance under various load conditions.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), allowing for flexible handling and storage conditions.

SN74LS15D6 Applications

The SN74LS156D is ideal for applications requiring efficient signal routing and decoding. Its 2 x 1:4 decoding/demultiplexing capability makes it suitable for:

• Digital Logic Systems: Where multiple output lines need to be controlled based on input signals.
• Control Circuits: In industrial automation and robotics for managing multiple devices or processes.
• Consumer Electronics: In devices where compact and efficient signal routing is essential.
• Legacy Systems: Ideal for maintaining and upgrading older systems that rely on the 74LS series.

Conclusion of SN74LS156D

The SN74LS156D is a versatile and reliable decoder/demultiplexer IC, offering a range of features that make it suitable for a variety of applications. Its compatibility with standard digital logic power supplies, robust performance, and compliance with environmental regulations make it a valuable component for both new designs and legacy systems. The surface-mount package and single supply operation further enhance its ease of integration into modern electronic designs. For engineers and designers seeking a reliable and efficient solution for signal routing and decoding, the SN74LS156D is an excellent choice.

SN74LS156D Documents

Download datasheets and manufacturer documentation for SN74LS156D

Datasheets :

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

PCN Obsolescence/ EOL :

Mult Dev EOL 30/Aug/2023      

HTML Datasheet :

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

PCN Design/Specification :

Design 25/Feb/2022