74ALS139 Overview
Description
The 74ALS139 is a dual 1-of-4 decoder/demultiplexer. This device has two independent decoders, each accepting two binary weighted inputs (A0n, A1n) and providing four mutually exclusive active-Low outputs (Q0n–Q3n).
Key Features
- Demultiplexing capability
- Two independent 1-of-4 decoders
- Multi-function capability
