DM5417 DM7417 Hex Buffers with High Voltage Open-Collector Outputs
June 1989
DM5417 DM7417 Hex Buffers with
High Voltage Open-Collector Outputs
General Description
This device contains six independent gates each of which
performs a buffer function The open-collector outputs re-
quire external pull-up resistors for proper logical operation
Pull-Up Resistor Equations
R
MAX
e
V
O
(Min)
b
V
OH
N
1
(I
OH
)
a
N
2
(I
IH
)
V
O
(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 6505 鈥?1
Order Number DM5417J DM5417W or DM7417N
See NS Package Number J14A N14A or W14B
Function Table
Y
e
A
Input
A
L
H
H
e
High Logic Level
L
e
Low Logic Level
Output
Y
L
H
C
1995 National Semiconductor Corporation
TL F 6505
RRD-B30M105 Printed in U S A