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DM74AS21N View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
View to exact match
DM74AS21N
Fairchild
Fairchild Semiconductor Fairchild
DM74AS21N Datasheet PDF : 4 Pages
1 2 3 4
April 1984
Revised March 2000
DM74AS21
Dual 4-Input AND Gate
General Description
This device contains two independent 4-input gates, each
of which performs the logic AND 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,
low power Schottky, and advanced low power Schottky
TTL counterpart
s Improved AC performance over Schottky, low power
Schottky and advanced low power Schottky counter-
parts
Ordering Code:
Order Number Package Number
Package Description
DM74AS21M
M14A
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
DM74AS21N
N14A
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
Inputs
A
B
C
D
H
H
H
H
L
X
X
X
X
L
X
X
X
X
L
X
X
X
X
L
H = HIGH Logic Level
L = LOW Logic Level
X = Either LOW or HIGH Logic Level
Output
Y
H
L
L
L
L
© 2000 Fairchild Semiconductor Corporation DS006277
www.fairchildsemi.com
 

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