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DM74121 Datasheet(PDF) 3 Page - Fairchild Semiconductor

Part No. DM74121
Description  One-Shot with Clear and Complementary Outputs
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

DM74121 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.
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
VT+
Positive-Going Input Threshold Voltage
1.4
2
V
at the A Input (VCC = Min)
VT−
Negative-Going Input Threshold Voltage
0.8
1.4
V
at the A Input (VCC = Min)
VT+
Positive-Going Input Threshold Voltage
1.5
2
V
at the B Input (VCC = Min)
VT−
Negative-Going Input Threshold Voltage
0.8
1.3
V
at the B Input (VCC = Min)
IOH
HIGH Level Output Current
−0.4
mA
IOL
LOW Level Output Current
16
mA
tW
Input Pulse Width (Note 2)
40
ns
dV/dt
Rate of Rise or Fall of
1V/s
Schmidt Input (B) (Note 2)
dV/dt
Rate of Rise or Fall of
1V/
µs
Schmidt Input (A) (Note 2)
REXT
External Timing Resistor (Note 2)
1.4
40
k
CEXT
External Timing Capacitance (Note 2)
0
1000
µF
DC
Duty Cycle (Note 2)
RT = 2 kΩ
67
%
RT = REXT (Max)
90
TA
Free Air Operating Temperature
0
70
°C
Symbol
Parameter
Conditions
Min
Typ
(Note 3)
Max
Units
VI
Input Clamp Voltage
VCC = Min, II = −12 mA
−1.5
V
VOH
HIGH Level Output
VCC = Min, IOH = Max,
2.4
3.4
V
Voltage
VIL = Max, VIH = Min
VOL
LOW Level Output
VCC = Min, IOL = Max,
0.2
0.4
V
Voltage
VIH = Max, VIL = Min
II
Input Current @
VCC = Max, VI = 5.5V
1
mA
Max Input Voltage
IIH
HIGH Level
VCC = Max,
A1, A2
40
µA
Input Current
VI = 2.4V
B
80
IIL
LOW Level
VCC = Max,
A1, A2
−1.6
mA
Input Current
VI = 0.4V
B
−3.2
IOS
Short Circuit Output Current
VCC = Max (Note 4)
−18
−55
mA
ICC
Supply Current
VCC = Max
Quiescent
13
25
mA
Triggered
23
40


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