CD74HC4538-Q1 Datasheet, PDF (8/16 Pages) Texas Instruments – HIGH-SPEED CMOS LOGIC DUAL RETRIGGERABLE PRECISION MONOSTABLE MULTIVIBRATOR

CD74HC4538-Q1
HIGH-SPEED CMOS LOGIC DUAL RETRIGGERABLE
PRECISION MONOSTABLE MULTIVIBRATOR
SCLS595A − NOVEMBER 2004 − REVISED APRIL 2008
TYPICAL CHARACTERISTICS
1.3
1.2
1.1
1
0.9
0.8
0.7
0.6
10
HC4538
0.7
T_A = 25°C
10 kΩ, 10 nF
0.69
10 kΩ ,100 nF
100 kΩ, 100 nF
0.68
100 kΩ, 10 nF
0.67
2
3
4 4.5 5 5.5 6
V_CC − DC Supply Voltage − V
Figure 2. K Factor vs DC Supply Voltage
10⁴
HC4538
V_CC = 5 V
T_A = 25°C
10³
T_A = 25°C
R_X = 10 kΩ
2 kΩ
10 kΩ
100 kΩ
102
103
104
105
C_X − Timing Capacitance − pF
Figure 3. K Factor vs C_X
V_CC = 4.5 V
102
V_CC = 5 V
10
102
103
104
C_X − Timing Capacitance − pF
Figure 4. Minimum Retrigger Time
vs Timing Capacitance
8
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