DM74ALS27 Triple 3-Input NOR Gate

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DM74ALS27 Triple 3-Input NOR Gate

May 2007

DM74ALS27 Triple 3-Input NOR Gate
Features
Switching specifications at 50pF Switching specifications guaranteed over full

tm

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

temperature and VCC range
Advanced oxide-isolated, ion-implanted Schottky TTL

process
Functionally and pin for pin compatible with Schottky

and low power Schottky TTL counterpart
Improved AC performance over Schottky and low

power Schottky counterparts

Ordering Information
Order Number
DM74ALS27M

Package Number
M14A

Package Description
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow

Devices also available in Tape and Reel. Specify by appending the suffix letter "X" to the ordering number.

Connection Diagram

Function Table
Y A B C

Inputs A
H X X L

Output C
X X H L

B
X H X L

Y
L L L H

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

1986 Fairchild Semiconductor Corporation DM74ALS27 Rev. 1.2

www.fairchildsemi.com

DM74ALS27 Datasheet Fairchild Download PDF

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DM74ALS27 DATASHEET