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DM74ALS27 Schematic ( PDF Datasheet ) - Fairchild Semiconductor

Teilenummer DM74ALS27
Beschreibung Triple 3-Input NOR Gate
Hersteller Fairchild Semiconductor
Logo Fairchild Semiconductor Logo 




Gesamt 4 Seiten
DM74ALS27 Datasheet, Funktion
September 1986
Revised February 2000
DM74ALS27
Triple 3-Input NOR Gate
General Description
This device contains three independent gates, each of
which performs the logic NOR function.
Features
s Switching specifications at 50 pF
s Switching specifications guaranteed over full tempera-
ture 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 Package Number
Package Description
DM74ALS27M
M14A
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
DM74ALS27N
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
Y= A+B+C
Inputs
AB
HX
XH
XX
LL
H = HIGH Logic Level
L = LOW Logic Level
X = Either LOW or HIGH Logic Level
C
X
X
H
L
Output
Y
L
L
L
H
© 2000 Fairchild Semiconductor Corporation DS006187
www.fairchildsemi.com





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