This document describes the product specifications of the 74F139 Dual 1-of-4 decoder/demultiplexer. The device has two independent decoders, each accepting two binary weighted inputs and providing four mutually exclusive active-Low outputs. Each decoder has an active-Low Enable pin, which, when high, forces all outputs to be high. The device has multifunction capability.
The Philips 74F139 is a high-speed, dual 1-of-4 decoder/demultiplexer containing two independent decoders. Each decoder accepts two binary weighted inputs and provides four mutually exclusive active-Low outputs. The device features an active-Low Enable input that can also function as the data input for demultiplexing applications.
| Operating Temperature Range | 0°C to +70°C |
|---|---|
| High-Level Input Current | 20uA |
The active-Low Enable (E) forces every output High when High, but can also be used as the Data input for a 1-of-4 demultiplexer application.
The device contains two independent decoders.