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DM5490 Datasheet(PDF) 4 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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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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 4 page
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Recommended Operating Conditions
Symbol
Parameter
DM7493A
Units
Min
Nom
Max
VCC
Supply Voltage
475
5
525
V
VIH
High Level Input Voltage
2
V
VIL
Low Level Input Voltage
08
V
IOH
High Level Output Current
b
08
mA
IOL
Low Level Output Current
16
mA
fCLK
Clock Frequency
A
0
32
MHz
(Note 5)
B0
16
tW
Pulse Width
A
15
(Note 5)
B30
ns
Reset
15
tREL
Reset Release Time (Note 5)
25
ns
TA
Free Air Operating Temperature
0
70
C
’93A 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
Reset
40
Current
VI e 24V
A80
m
A
B80
IIL
Low Level Input
VCC e Max
Reset
b
16
Current
VI e 04V
A
b
32
mA
B
b
32
IOS
Short Circuit
VCC e Max
b
18
b
57
mA
Output Current
(Note 2)
ICC
Supply Current
VCC e Max (Note 3)
26
39
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 R0 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
4




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