DM74ALS20A Dual 4-Input NAND Gate
October 1986 Revised February 2000
DM74ALS20A Dual 4-Input NAND Gate
General Descrip...
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
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DM74ALS20A
Absolute Maximum Ratings(Note 1)
Supply
Voltage Input
Voltage Operating Free Air Temperature Range Storage Temperature Range Typical θJA N Package M Package 86.5°C/W 116.0°C/W 7V 7V 0°C to +70°C −65°C to +150°C
Note 1: The “Absolute Maximum Ratings” are those values beyond which the safety of...