mc14538bd ON Semiconductor, mc14538bd Datasheet - Page 7

• Manufacturer Part Number: mc14538bd
• Description: Dual Precision Retiggerable/resettable Monostable Multivibrator
• Manufacturer: ON Semiconductor

RESET
C
X
−1
−2
/R
2
1
0
−60 −40
Q
A
B
X
R
C
X
X
= 100 kW
= 0.1 mF
Figure 8. Typical Error of Pulse Width
−20
V
Equation versus Temperature
ref 1
1
T
A
, AMBIENT TEMPERATURE (°C)
0
T
V
20
ref 2
1
2
3
Positive edge trigger
Negative edge trigger
Positive edge trigger
40
V
60
ref 1
2
V
V
V
80
DD
DD
DD
= 15 V
= 10 V
= 5 V
Figure 10. Timing Operation
THEORY OF OPERATION
100
T
V
ref 2
http://onsemi.com
120
MC14538B
140
4
5
7
Positive edge re−trigger (pulse lengthening)
Positive edge re−trigger (pulse lengthening)
V
ref 1
−1.0
−2.0
−3.0
3
3.0
2.0
1.0
0
−60 −40
V
V
DD
DD
4
Figure 9. Typical Error of Pulse Width
= 15 V
= 10 V
−20
Equation versus Temperature
V
DD
T
T
V
= 5.0 V
A
ref 2
, AMBIENT TEMPERATURE (°C)
0
R
C
X
X
20
= 100 kW
= .002 mF
V
ref 1
40
V
ref 2
60
5
80
100
120 140