DM74ALS20A

DM74ALS20A Dual 4-Input NAND Gate

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DM74ALS20A Dual 4-Input NAND Gate

October 1986 Revised February 2000

DM74ALS20A Dual 4-Input NAND Gate
General Description
This device contains two independent gates, each of which performs the logic NAND function.

Features
s Switching specifications at 50 pF 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 compatible with Schottky and low power Schottky TTL counterpart s Improved AC performance over Schottky and low power Schottky counterparts

Ordering Code:
Order Number DM74ALS20AM DM74ALS20AN 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 H H H H L

H HIGH Logic Level L LOW Logic Level X Either LOW or HIGH Logic Level

2000 Fairchild Semiconductor Corporation

DS006184

www.fairchildsemi.com