MC74HC4538A Motorola, MC74HC4538A Datasheet - Page 11

• Manufacturer Part Number: MC74HC4538A
• Description: Dual Precision Monostable Multivibrator
• Manufacturer: Motorola

High–Speed CMOS Logic Data
DL129 — Rev 6
Figure 12. Retriggerable Monostable Circuitry
FALLING–EDGE
RISING–EDGE
TRIGGER
TRIGGER
A = GND
B = V CC
A
B
B
TOTAL OUTPUT PULSE WIDTH RANGE
RECOMMENDED PULSE WIDTH RANGE
MC14528B
MC14536B
MC14538B
MC14541B
HC4538A*
RESET = V CC
RESET = V CC
C X
C X
100 ns
ONE–SHOT SELECTION GUIDE
1 s
R X
R X
TYPICAL APPLICATIONS
* Limited operating voltage (2 – 6 V)
10 s 100 s 1 ms 10 ms 100 ms
V CC
V CC
Q
Q
Q
Q
3–11
RISING–EDGE
FALLING–EDGE
TRIGGER
Figure 13. Non–retriggerable Monostable Circuitry
TRIGGER
1 s
10 s
A
B
A
B
5 MIN
23 HR
RESET = V CC
RESET = V CC
MC54/74HC4538A
C X
C X
Q
Q
R X
R X
MOTOROLA
Q
V CC
V CC
Q