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DM74AS21M Schematic ( PDF Datasheet ) - Fairchild Semiconductor

Teilenummer DM74AS21M
Beschreibung Dual 4-Input AND Gate
Hersteller Fairchild Semiconductor
Logo Fairchild Semiconductor Logo 




Gesamt 4 Seiten
DM74AS21M Datasheet, Funktion
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
ABC
HHH
LXX
XLX
XXL
XXX
H = HIGH Logic Level
L = LOW Logic Level
X = Either LOW or HIGH Logic Level
D
H
X
X
X
L
Output
Y
H
L
L
L
L
© 2000 Fairchild Semiconductor Corporation DS006277
www.fairchildsemi.com





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