Texas Instruments

SN74F138N  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74F138N Description

The SN74F138N 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 74F series and is housed in a through-hole package. It features a 1 x 3:8 decoding circuit, providing eight independent output lines from three input lines. The SN74F138N operates within a voltage supply range of 4.5V to 5.5V and is suitable for single supply applications. It is designed to operate within an ambient temperature range of 0°C to 70°C, making it ideal for general-purpose digital systems.

SN74F138N Features

• Operating Temperature: 0°C to 70°C, ensuring reliable performance in a variety of environmental conditions.
• ECCN: EAR99, indicating compliance with export regulations.
• Independent Circuits: 1 x 3:8 decoder/demultiplexer, providing eight output lines from three input lines.
• Mounting Type: Through Hole, suitable for applications requiring robust mechanical stability.
• Voltage Supply Source: Single Supply, simplifying power requirements.
• Voltage - Supply: 4.5V to 5.5V, ensuring compatibility with standard digital systems.
• REACH Status: REACH Unaffected, ensuring compliance with environmental regulations.
• HTSUS: 8542.39.0001, facilitating accurate tariff classification.
• Package: Tube, providing protection during handling and storage.
• RoHS Status: ROHS3 Compliant, ensuring compliance with environmental standards.
• Base Product Number: 74F138, part of the widely recognized 74F series.
• Current - Output High, Low: 1mA, 20mA, providing robust output capabilities.
• Moisture Sensitivity Level (MSL): Not Applicable, reducing handling constraints.

SN74F138N Applications

The SN74F138N is ideal for applications requiring efficient decoding and demultiplexing of digital signals. Its 1 x 3:8 decoding capability makes it suitable for:

• Memory Address Decoding: Efficiently decoding memory addresses in microprocessor systems.
• Control Signal Distribution: Distributing control signals in complex digital circuits.
• Multiplexing Applications: Managing multiple input signals to a single output line.
• General-Purpose Logic Circuits: Enhancing the functionality of digital systems with minimal additional components.

Conclusion of SN74F138N

The SN74F138N stands out in the market due to its robust performance, wide operating temperature range, and compliance with environmental regulations. Its single supply operation and through-hole mounting type make it a versatile choice for a variety of digital applications. Whether used in memory address decoding, control signal distribution, or general-purpose logic circuits, the SN74F138N offers reliable performance and ease of integration. Its compliance with REACH and RoHS3 standards ensures that it meets the highest environmental and safety standards, making it an ideal choice for modern digital systems.

SN74F138N Documents

Download datasheets and manufacturer documentation for SN74F138N

Datasheets :

SN54F138, SN74F138      

HTML Datasheet :

SN54F138, SN74F138      

PCN Design/Specification :

Material Set 30/Mar/2017