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DM5490 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. DM5490
Description  Decade and Binary Counters
Download  10 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

DM5490 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
DM54
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
DM5490
DM7490A
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
A
0
32
0
32
MHz
(Note 5)
B
0
16
0
16
tW
Pulse Width
A
15
15
(Note 5)
B30
30
ns
Reset
15
15
tREL
Reset Release Time (Note 5)
25
25
ns
TA
Free Air Operating Temperature
b
55
125
0
70
C
’90A 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 (Note 4)
II
Input Current
Max
VCC e Max VI e 55V
1mA
Input Voltage
IIH
High Level Input
VCC e Max
A
80
Current
VI e 27V
Reset
40
m
A
B
120
IIL
Low Level Input
VCC e Max
A
b
32
Current
VI e 04V
Reset
b
16
mA
B
b
48
IOS
Short Circuit
VCC e Max
DM54
b
20
b
57
mA
Output Current
(Note 2)
DM74
b
18
b
57
ICC
Supply Current
VCC e Max (Note 3)
29
42
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
Note 3
ICC is measured with all outputs open both RO inputs grounded following momentary connection to 45V and all other inputs grounded
Note 4
QA outputs are tested at IOL e Max plus the limit value of IIL for the B input This permits driving the B input while maintaining full fan-out capability
Note 5
TA e 25 C and VCC e 5V
2


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