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74AC138SJX  

Encoders, Decoders, Multiplexers & Demultiplexers

74AC138SJX Description

The 74AC138SJX is a high-performance 1 x 3:8 decoder/demultiplexer IC designed for a wide range of digital applications. Manufactured by onsemi, this device is part of the 74AC series, known for its robust performance and reliability. The 74AC138SJX features a single 3:8 decoding circuit, providing independent control over eight outputs from three input lines. It operates on a single supply voltage ranging from 2V to 6V, making it versatile for various power supply configurations. The device is housed in a surface-mount package, specifically a 16SOP (Tape & Reel), which is ideal for modern, space-constrained designs. Despite its obsolescence status, the 74AC138SJX remains a reliable choice for applications requiring a compact and efficient decoding solution.

74AC138SJX Features

• High Current Capability: The 74AC138SJX offers high output current capabilities, with both high and low outputs rated at 24mA. This feature ensures robust performance in driving various loads.
• Wide Operating Voltage Range: With a supply voltage range of 2V to 6V, the 74AC138SJX is compatible with a variety of power supply configurations, enhancing its versatility.
• Single Supply Operation: The device operates on a single supply, simplifying power management and reducing the complexity of power supply design.
• Surface Mount Packaging: The 16SOP package format is ideal for surface-mount technology (SMT) applications, enabling compact and efficient PCB layouts.
• Moisture Sensitivity Level 1: The 74AC138SJX has an MSL rating of 1 (Unlimited), indicating it is not sensitive to moisture, which is beneficial for manufacturing processes involving reflow soldering.
• REACH Compliance: The device is REACH unaffected, ensuring compliance with environmental regulations and standards.
• Independent Circuits: The 74AC138SJX features a single independent 3:8 decoding circuit, providing precise control over eight outputs from three input lines.

74AC138SJX Applications

The 74AC138SJX is ideal for a variety of applications where efficient decoding and demultiplexing are required. Some specific use cases include:

• Digital Systems: In digital systems, the 74AC138SJX can be used to decode address lines, enabling efficient memory addressing and control.
• Microcontroller Interfaces: The device can interface with microcontrollers to manage multiple peripherals or memory devices, optimizing system performance.
• Communication Systems: In communication systems, the 74AC138SJX can be employed for signal routing and control, ensuring reliable data transmission.
• Consumer Electronics: The compact size and high performance of the 74AC138SJX make it suitable for consumer electronics, where space and efficiency are critical.
• Industrial Control Systems: The robustness and versatility of the 74AC138SJX make it an excellent choice for industrial control systems, where reliability and precision are paramount.

Conclusion of 74AC138SJX

The 74AC138SJX is a versatile and reliable decoder/demultiplexer IC that offers high performance and flexibility. Its wide operating voltage range, high current capability, and surface-mount packaging make it suitable for a variety of applications. Despite its obsolescence status, the 74AC138SJX remains a valuable component for engineers and designers seeking a compact and efficient decoding solution. Its compliance with environmental regulations and robust performance ensure its continued relevance in modern electronic designs.

74AC138SJX Documents

Download datasheets and manufacturer documentation for 74AC138SJX

Datasheets :

74AC138, 74ACT138      

PCN Packaging :

Mult Devices 24/Oct/2017       Lock Reel Change 23/Nov/2016      

PCN Obsolescence/ EOL :

Mult Devices 10/Jul/2017      

PCN Design/Specification :

Logo 17/Aug/2017      

Environmental Information :

onsemi RoHS       onsemi REACH