STMicroelectronics

M74HCT138RM13TR  

Encoders, Decoders, Multiplexers & Demultiplexers

M74HCT138RM13TR Description

The M74HCT138RM13TR is a 1 x 3:8 decoder/demultiplexer logic IC chip, part of the 74HCT series, manufactured by STMicroelectronics. This surface-mount device (SMD) is designed for applications requiring efficient signal decoding and demultiplexing. It operates on a single supply voltage ranging from 4.5V to 5.5V and features a current output capability of 4mA for both high and low states. The M74HCT138RM13TR is packaged in a 16-lead small outline (SO) format and is available in a tape and reel (TR) format, making it suitable for automated assembly processes. Despite being marked as obsolete, this IC remains a reliable choice for legacy systems and specific applications where its unique features are advantageous. It complies with REACH and ROHS3 standards, ensuring environmental and safety compliance.

M74HCT138RM13TR Features

• Circuit Configuration: The M74HCT138RM13TR features a 1 x 3:8 decoding/demultiplexing circuit, enabling the conversion of 3 input lines into 8 output lines. This configuration is ideal for applications requiring efficient signal distribution and decoding.
• Single Supply Operation: The IC operates on a single supply voltage between 4.5V and 5.5V, simplifying power supply design and reducing the complexity of the power management system.
• Surface Mount Technology: The surface-mount package allows for compact and reliable integration into modern electronic circuits, supporting high-density PCB designs and automated manufacturing processes.
• Current Capability: With an output current capability of 4mA for both high and low states, the M74HCT138RM13TR ensures robust signal handling and compatibility with a wide range of downstream components.
• Environmental Compliance: The M74HCT138RM13TR is REACH unaffected and ROHS3 compliant, ensuring it meets the stringent environmental and safety standards required by the electronics industry.
• Moisture Sensitivity Level: The device has a moisture sensitivity level (MSL) of 1, indicating it is not sensitive to moisture and can be stored and handled without special precautions.

M74HCT138RM13TR Applications

The M74HCT138RM13TR is well-suited for a variety of applications where efficient signal decoding and demultiplexing are required. Some specific use cases include:

• Digital Systems: In digital systems, the M74HCT138RM13TR can be used to decode address lines in memory systems, enabling the selection of specific memory locations.
• Microcontroller Peripherals: The IC can interface with microcontrollers to manage multiple peripherals by decoding control signals and directing them to the appropriate devices.
• Communication Systems: In communication systems, the M74HCT138RM13TR can demultiplex incoming signals, allowing for the efficient handling of multiple data streams.
• Industrial Control: The IC can be used in industrial control systems to decode control signals and manage various actuators and sensors.

Conclusion of M74HCT138RM13TR

The M74HCT138RM13TR, despite being marked as obsolete, remains a valuable component for specific applications requiring efficient signal decoding and demultiplexing. Its 1 x 3:8 circuit configuration, single supply operation, and surface-mount packaging make it a versatile and reliable choice for various electronic systems. The device's compliance with environmental and safety standards ensures it meets the requirements of modern electronics manufacturing. For applications where its unique features are advantageous, the M74HCT138RM13TR continues to be a suitable and effective solution.

M74HCT138RM13TR Documents

Download datasheets and manufacturer documentation for M74HCT138RM13TR

Datasheets :

M74HCT138      

HTML Datasheet :

M74HCT138