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DM74121 Datasheet(PDF) 4 Page - Fairchild Semiconductor

Part No. DM74121
Description  One-Shot with Clear and Complementary Outputs
Download  5 Pages
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

DM74121 Datasheet(HTML) 4 Page - Fairchild Semiconductor

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Switching Characteristics
At VCC = 5V and TA = 25°C (See Test Waveforms and Output Load Section)
Symbol
Parameter
From (Input)
Conditions
Min
Max
Units
To (Output)
tPLH
Propagation Delay Time
A1, A2
CEXT = 80 pF
70
ns
LOW-to-HIGH Level Output
to Q
RINT to VCC
tPLH
Propagation Delay Time
B to
CL = 15 pF
55
ns
LOW-to-HIGH Level Output
Q
RL = 400Ω
tPHL
Propagation Delay Time
A1, A2
80
ns
HIGH-to-LOW Level Output
to Q
tPHL
Propagation Delay Time
B
65
ns
HIGH-to-LOW Level Output
to Q
tW(OUT)
Output Pulse
A1, A2 or B
CEXT = 80 pF
70
150
ns
Width Using the
to Q, Q
RINT to VCC
Internal Timing Resistor
RL = 400Ω
CL = 15 pF
tW(OUT)
Output Pulse
A1, A2
CEXT = 0 pF
50
ns
Width Using Zero
to Q, Q
RINT to VCC
Timing Capacitance
RL = 400Ω
CL = 15 pF
tW(OUT)
Output Pulse
A1, A2
CEXT = 100pF
600
800
ns
Width Using External
to Q, Q
RINT = 10 kΩ
Timing Resistor
RL = 400Ω
CL = 15pF
A1, A2
CEXT = 1 µF
68
ms
to Q, Q
RINT = 10 kΩ
RL = 400Ω
CL = 15 pF


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