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DM74123 Datasheet(PDF) 3 Page - Fairchild Semiconductor

Part No. DM74123
Description  Dual Retriggerable One-Shot with Clear and Complementary Outputs
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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DM74123 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
Note 2: TA = 25°C and VCC = 5V.
Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Note 3: All typicals are at VCC = 5V, TA = 25°C.
Note 4: Not more than one output should be shorted at a time.
Note 5: Quiescent ICC is measured (after clearing) with 2.4V applied to all clear and A inputs, B inputs grounded, all outputs OPEN, CEXT = 0.02 µF,
and REXT = 25 KΩ.
Note 6: ICC is measured in the triggered state with 2.4V applied to all clear and B inputs, A inputs grounded, all outputs OPEN, CEXT = 0.02 µF,
and REXT = 25 kΩ.
Supply Voltage
7V
Input Voltage
5.5V
Operating Free Air Temperature Range
0
°C to +70°C
Storage Temperature
−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
tW
Pulse Width
A or B HIGH
40
(Note 2)
A or B LOW
40
ns
Clear LOW
40
TWQ
Minimum Width of
A or B
65
ns
(Min)
Pulse at Q (Note 2)
REXT
External Timing Resistor
5
50
k
CEXT
External Timing Capacitance
No Restriction
µF
CWIRE
Wiring Capacitance
50
pF
at REXT/CEXT Terminal (Note 2)
TA
Free Air Operating Temperature
0
70
°C
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 3)
VI
Input Clamp Voltage
VCC = Min, II = −12 mA
−1.5
V
VOH
HIGH Level
VCC = Min, IOH = Max
2.5
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
VCC = Max
Data
40
µA
Input Current
VI = 2.4V
Clear
80
IIL
Low Level
VCC = Max, VI = 0.4V
Clear
−3.2
mA
Input Current
Data
−1.6
IOS
Short Circuit Output Current
VCC = Max (Note 4)
−10
−40
mA
ICC
Supply Current
VCC = Max (Note 5)(Note 6)
46
66
mA


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