ON Semiconductor MC74VHC139DR2G Dual 2-to-4 Line Decoder/Demultiplexer

The ON Semiconductor MC74VHC139DR2G is a high-performance, dual 2-to-4 line decoder/demultiplexer integrated circuit that is part of the VHC (Very High-Speed CMOS) family. This component is designed to provide efficient decoding and demultiplexing capabilities with a focus on applications requiring high speed, low power consumption, and noise immunity. The MC74VHC139DR2G is an essential building block in digital systems where it is necessary to convert binary information from n input lines to a maximum of 2^n unique output lines.

Featuring two individual 2-to-4 decoders, each with its own address input (A and B), enable input (G), and four mutually exclusive outputs (Y0 to Y3), the MC74VHC139DR2G can be used in a wide range of applications, including memory decoding, data routing, and control signal generation. When the enable input is high, all outputs are forced low. The device selects one of the four output lines by decoding the two binary select inputs, allowing one output to go high while the others remain low.

The MC74VHC139DR2G operates over a broad voltage range of 2.0V to 5.5V and is characterized for operation from -55°C to +125°C, making it suitable for automotive, industrial, and consumer applications. The device is fabricated using silicon gate CMOS technology, which ensures high speed while maintaining CMOS low power dissipation.

ON Semiconductor's commitment to quality is evident in the MC74VHC139DR2G's design, which includes inputs and outputs on opposite sides of the package to facilitate easier routing of PCBs. The device is available in a small outline package (SOIC-16), which is ideal for space-constrained applications. Additionally, the MC74VHC139DR2G is fully compatible with TTL logic levels, ensuring easy integration into mixed-technology systems.

For designers looking for a reliable and efficient solution for their decoding and demultiplexing needs, the ON Semiconductor MC74VHC139DR2G offers a perfect balance of performance, power efficiency, and versatility in a compact form factor.