HD74HC4538 Datasheet, PDF (8/14 Pages) Hitachi Semiconductor – Dual Precision Retriggerable/Resettable Monostable Multivibrators

HD74HC4538
A
Rising-Edge
Trigger
B
CX
RX
VCC
T1
T2
Q
Q
CD
CX
RX
VCC
T1
T2
Q
A
B
Q
Falling-Edge
Trigger
CD
Figure 3. Retriggerable Monostable Circuitry
Rev.2.00 Mar 30, 2006 page 8 of 13