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DM7442 Datasheet(PDF) 3 Page - Fairchild Semiconductor

Part # DM7442
Description  BCD to Decimal Decoder
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

DM7442 Datasheet(HTML) 3 Page - Fairchild Semiconductor

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Absolute Maximum Ratings(Note 1)
Note 1: The “Absolute Maximum Ratings” are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
Recommended Operating Conditions
Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Note 2: All typicals are at VCC = 5V, TA = 25°C.
Note 3: Not more than one output should be shorted at a time.
Note 4: ICC is measured with all outputs open and all inputs grounded.
Switching Characteristics
at VCC = 5V and TA = 25°C
Supply Voltage
7V
Input Voltage
5.5V
Operating Free Air Temperature Range
0
°C to +70°C
Storage Temperature Range
−65°C to +150°C
Symbol
Parameter
Min
Nom
Max
Units
VCC
Supply Voltage
4.75
5
5.25
V
VIH
HIGH Level Input Voltage
2
V
VIL
LOW Level Input Voltage
0.8
V
IOH
HIGH Level Output Current
−0.8
mA
IOL
LOW Level Output Current
16
mA
TA
Free Air Operating Temperature
0
70
°C
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 2)
VI
Input Clamp Voltage
VCC = Min, II = −12 mA
−1.5
V
VOH
HIGH Level
VCC = Min, IOH = Max
2.4
3.4
V
Output Voltage
VIL = Max, VIH = Min
VOL
LOW Level
VCC = Min, IOL = Max
0.2
0.4
V
Output Voltage
VIH = Min, VIL = Max
II
Input Current @ Max Input Voltage
VCC = Max, VI = 5.5V
1
mA
IIH
HIGH Level Input Current
VCC = Max, VI = 2.4V
40
µA
IIL
LOW Level Input Current
VCC = Max, VI = 0.4V
−1.6
mA
IOS
Short Circuit Output Current
VCC = Max (Note 3)
−18
−55
mA
ICC
Supply Current
VCC = Max (Note 4)
28
56
mA
Symbol
Parameter
Conditions
Min
Max
Units
tPHL
Propagation Delay Time
CL = 15 pF
HIGH-to-LOW Level Output
RL = 400Ω
25
ns
from A, B, C or D through
2 Levels of Logic
tPHL
Propagation Delay Time
HIGH-to-LOW Level Output
30
ns
from A, B, C or D through
3 Levels of Logic
tPLH
Propagation Delay Time
LOW-to-HIGH Level Output
25
ns
from A, B, C or D through
2 Levels of Logic
tPLH
Propagation Delay Time
LOW-to-HIGH Level Output
30
ns
from A, B, C or D through
3 Levels of Logic


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