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DM74191 Fiches technique(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No de pièce DM74191
Description  Synchronous Up/Down 4-Bit Binary Counter with Mode Control
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Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
Logo NSC - National Semiconductor (TI)

DM74191 Fiches technique(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
DM54 and 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
DM54191
DM74191
Units
Min
Nom
Max
Min
Nom
Max
VCC
Supply Voltage
45
5
55
475
5
525
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
fCLK
Clock Frequency (Note 4)
0
20
0
20
MHz
tW
Pulse Width
Clock
25
25
ns
(Note 4)
Load
35
35
tSU
Data Setup Time (Note 4)
28
28
ns
tH
Hold Time (Note 4)
0
0
ns
tREL
Load Release Time (Note 4)
30
30
ns
TA
Free Air Operating Temperature
b
55
125
0
70
C
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
VCC e Min IOH e Max
24
34
V
Voltage
VIL e Max VIH e Min
VOL
Low Level Output
VCC e Min IOL e Max
02
04
V
Voltage
VIH e Min VIL e Max
II
Input Current
Max
VCC e Max VI e 55V
1mA
Input Voltage
IIH
High Level Input
VCC e Max
Enable
120
m
A
Current
VI e 24V
Others
40
IIL
Low Level Input
VCC e Max
Enable
b
48
mA
Current
VI e 04V
Others
b
16
IOS
Short Circuit
VCC e Max
DM54
b
20
b
65
mA
Output Current
(Note 2)
DM74
b
18
b
65
ICC
Supply Current
VCC e Max
DM54
65
99
mA
(Note 3)
DM74
65
105
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
Note 3
ICC is measured with all inputs grounded and all outputs open
Note 4
TA e 25 C and VCC e 5V
2


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