DM74ALS21A
Description
This device contains two independent gates, each of which performs the logic AND function.
Features s Switching specifications at 50 p F s Switching specifications guaranteed over full temperature and VCC range s Advanced oxide-isolated, ion-implanted Schottky TTL process s Functionally and pin for pin patible with Schottky and low power Schottky TTL counterpart s Improved AC performance over Schottky and low power Schottky counterparts
Ordering Code:
Order Number DM74ALS21AM DM74ALS21AN Package Number M14A N14A Package Description
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Function Table
Y = ABCD Inputs A X X X L H B X X L X H C X L X X H D L X X X H Output Y L L L L H
H = HIGH Logic Level L = LOW Logic Level X = Either LOW or HIGH Logic...