Product Overview: MC74AC139DR2 by ON Semiconductor

The MC74AC139DR2 is a high-performance integrated circuit designed and manufactured by ON Semiconductor, a leader in energy-efficient innovations. This dual 1-of-4 decoder/demultiplexer is part of ON Semiconductor's AC series of devices, which are known for their high-speed operation and compatibility with TTL (Transistor-Transistor Logic) circuitry.

Key Features

• Logic Type: Decoder/Demultiplexer
• Operating Voltage: 2V to 6V
• Output Current: High 24mA, Low 24mA
• Propagation Delay Time: 4.5ns at 5V
• Number of Circuits: Dual
• Number of Select Lines: 2
• Number of Outputs: 4 per circuit
• Temperature Range: -55°C to 125°C
• Mounting Type: Surface Mount
• Package / Case: SOIC-16

Product Description

The MC74AC139DR2 is designed to facilitate multiplexing and demultiplexing applications. It contains two individual 1-of-4 decoders, each with their own address inputs (A0, A1) and an enable input (G). When the enable input is high, all outputs remain low. The selected output is determined by the inputs of A0 and A1, which enable one of the four outputs to go high, making it ideal for memory chip selection, data routing, and resource allocation in complex digital systems.

This device is capable of operating within a wide voltage range of 2V to 6V, making it versatile for interfacing with various logic families. With a quick propagation delay of only 4.5ns at 5V, the MC74AC139DR2 ensures high-speed operation, which is critical for modern digital electronics that require rapid data processing and timing precision.

Constructed with ON Semiconductor's robust technology, the MC74AC139DR2 is packaged in a compact SOIC-16 package, which is suitable for space-constrained applications while still providing excellent thermal performance and reliability. The operating temperature range of -55°C to 125°C guarantees stable performance across extreme environmental conditions, ensuring the device's suitability for industrial and automotive applications.

In summary, the MC74AC139DR2 from ON Semiconductor is a versatile and reliable component that offers efficient decoding and demultiplexing solutions for advanced digital systems, with a focus on high-speed operation and compatibility with multiple logic levels.