component
74HC138
Unreviewed3-to-8 line decoder/demultiplexer — active-low outputs
74HC138
The 74HC138 is a 3-to-8 line decoder/demultiplexer. Given a 3-bit address, it drives one of eight outputs low. Essential for address decoding, chip select generation, and display multiplexing. Three enable inputs allow cascading. DIP-16 / SOIC-16.