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DM74122 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # DM74122
Description  Retriggerable Resettable Multivibrator
PDF  6 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

DM74122 Datasheet(HTML) 2 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note)
If MilitaryAerospace specified devices are required
please contact the National Semiconductor Sales
OfficeDistributors for availability and specifications
Supply Voltage
7V
Input Voltage
55V
Operating Free Air Temperature Range
54
b
55 Cto a125 C
DM74
0 Cto a70 C
Storage Temperature Range
b
65 Cto a150 C
Note
The ‘‘Absolute Maximum Ratings’’ are those values
beyond which the safety of the device cannot be guaran-
teed The device should not be operated at these limits The
parametric values defined in the ‘‘Electrical Characteristics’’
table are not guaranteed at the absolute maximum ratings
The ‘‘Recommended Operating Conditions’’ table will define
the conditions for actual device operation
Recommended Operating Conditions
Symbol
Parameter
54122
DM74122
Units
Min
Nom
Max
Min
Nom
Max
VCC
Supply Voltage
45
5
55
475
5
55
V
VIH
High Level Input Voltage
2
2
V
VIL
Low Level Input Voltage
08
08
V
IOH
High Level Output Current
b
08
b
08
mA
IOL
Low Level Output Current
16
16
mA
TA
Free Air Operating Temperature
b
55
125
b
55
70
C
Recommended Operating Conditions VCC ea50V TA ea25 C
Symbol
Parameter
Conditions
DM74
Units
Min
Max
tw
Trigger Pulse Width
40
ns
RX
External Timing Resistor
XC
Over Operating VCC and
50
50
kX
XM
Temperature Range
50
25
CX
External Timing Capacitor
No Restrictions
pF
Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 1)
VI
Input Clamp Voltage
VCC e Min II eb12 mA
b
15
V
VOH
High Level Output Voltage
VCC e Min IOH e Max
24
V
VIL e Max
VOL
Low Level Output Voltage
VCC e Min VIH e Min
04
V
II
Input Current
Max
VCC e Max VI e 55V
1mA
Input Voltage
IIH
High Level Input Current
VCC e Max VI e 24V
Inputs
40
m
A
Clear
80
IIL
Low Level Input Current
VCC e Max VI e 04V
Inputs
b
16
mA
Clear
b
32
IOS
Short Circuit Output Current
VCC e Max (Note 2)
b
10
b
40
mA
ICC
Supply Current
VCC e Max
28
mA
Note 1
All typicals are at VCC e 5V TA e 25 C
Note 2
Not more than one output should be shorted at a time and the duration should not exceed one second
2



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