MC74HC4538A_16 Datasheet, PDF (7/14 Pages) ON Semiconductor – Dual Precision Monostable Multivibrator

MC74HC4538A
TYPICAL CHARACTERISTICS
0.70
T_A = 25°C
0.65
0.60
0.55
0.50
1
2
3
4
5
6
7
V_CC, POWER SUPPLY VOLTAGE (VOLTS)
Figure 2. Typical Output Pulse Width Constant,
k, versus Supply Voltage
(For output pulse widths > 100 ms: τ = kR_xC_x)
1.30
1.20
R_x = 1 MW
C_x = 0.1 mF
10 s
V_CC = 5 V, T_A = 25°C
1s
100 ms
10 ms
1 ms
100 ms ^{1 MW}
10 ms ^{100 kW}
1 ms ^{10 kW}
100 ns ^{1 kW}
0.00001 0.0001
0.001 0.01 0.1
CAPACITANCE (mF)
1
10
Figure 3. Output Pulse Width versus Timing
Capacitance
T_A = 25°C
1.10
1.075
1.05
1.025
V_CC = 6 V
1.0
0.975
V_CC = 3 V
1.00
0.90
R_x = 100 kW
C_x = 1000 pF
0.80
1
2
3
4
5
6
7
V_CC, POWER SUPPLY VOLTAGE (VOLTS)
Figure 4. Normalized Output Pulse Width versus
Power Supply Voltage
1.025
1.02
1.015
1.01
1.005
V_CC = 5.5 V
V_CC = 5 V
V_CC = 4.5 V
0.95
−75 −50 −25 0 25 50 75 100 125 150
T_A, AMBIENT TEMPERATURE (°C)
Figure 5. Normalized Output Pulse Width
versus Power Supply Voltage
1.00
25
50
75
100
125
T_A, AMBIENT TEMPERATURE (°C)
Figure 6. Normalized Output Pulse Width versus
Power Supply Voltage
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