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DM74S09 Datasheet

  • DM74S09

  • Quad 2-Input AND Gates with Open-Collector Outputs

  • 4頁(yè)

  • NSC

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DM74S09 Quad 2-Input AND Gates with Open-Collector Outputs
June 1989
DM74S09 Quad 2-Input AND Gates
with Open-Collector Outputs
General Description
This device contains four independent gates each of which
performs the logic AND function The open-collector out-
puts require an external pull-up resistor for proper logical
operation
Pull-Up Resistor Equations
R
MAX
e
V
CC
(Min)
b
V
OH
N
1
(I
OH
)
a
N
2
(I
IH
)
V
CC
(Max)
b
V
OL
R
MIN
e
I
OL
b
N
3
(I
IL
)
Where N
1
(I
OH
)
e
total maximum output high current for all
outputs tied to pull-up resistor
N
2
(I
IH
)
e
total maximum input high current for all
inputs tied to pull-up resistor
N
3
(I
IL
)
e
total maximum input low current for all
inputs tied to pull-up resistor
Connection Diagram
Dual-In-Line Package
TL F 6465 鈥?1
Order Number DM74S09N
See NS Package Number N14A
Function Table
Y
e
AB
Inputs
A
L
L
H
H
B
L
H
L
H
Output
Y
L
L
L
H
H
e
High Logic Level
L
e
Low Logic Level
C
1995 National Semiconductor Corporation
TL F 6465
RRD-B30M105 Printed in U S A

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