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TC74VHC123AF-X(IC532) : Monostable multivibrator
1. Pin layout
1A
1
1B
2
3
1CLR
4
1Q
2Q
5
1Cx
6
2Rx/Cx
7
GND
8
(TOP VIEW)
2. Block diagram
V
R
/C
X
X
Q
N
C
X
A
B
CLR
3. Timing diagram
A
B
CLR
RX/CX
Q
Q
t
w OUT
16
Vcc
15
1Rx/Cx
14
1Cx
13
1Q
12
2Q
11
2CLR
10
2B
9
2A
CC
Vref
L
-
+
Q
P
V
CC
R
D
Q
F/F
CK Q
t
w OUT
Vref
H
C2
Q
Q
t
rr
V
V
V
V
V
V
V
V
V
GND
V
V
V
V
t
t
w OUT+
rr
AX-M9000
IH
IL
IH
IL
IH
IL
CC
refH
refL
OH
OL
OH
OL
1-19
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