DM74ALS  -  Series DataSheet
DM74ALS02  -  Quad 2-Input NOR Gate  -  Fairchild Semiconductor Corporation  -  NOR Gates

General Description
This device contains four independent gates, each of which
performs the logic NOR function.

Features
n Switching specifications at 50 pF
n Switching specifications guaranteed over full temperature and VCC range
n Advanced oxide-isolated, ion-implanted Schottky TTL process
n Functionally and pin for pin compatible with Schottky and low power Schottky TTL counterpart
n Improved AC performance over Schottky and low power Schottky counterparts