DM74ALS05AM

Hex Inverting Gates with Open-Collector Outputs (NOT), belonging to the Advanced Low-Power Schottky (ALS) TTL logic family. It integrates six independent inverters featuring open-collector outputs that require external pull-up resistors, allowing for flexible level-shifting up to a 5V rail and direct wired-AND logic expansions, housed in a standard 14-pin surface-mount (SOIC-14) package layout. Manufactured by Fairchild / National Semiconductor.