HD74HC423A Datasheet, PDF (2/8 Pages) Hitachi Semiconductor – Dual Retriggerable Monostable Multivibrators

HD74HC423A
Pin Arrangement
1A 1
1B 2
1CLR 3
1Q 4
2Q 5
2Cext 6
2Rext/Cect 7
GND 8
CLR
CLR
16 VCC
15 1Rext/Cext
14 1Cext
13 1Q
12 2Q
11 2CLR
10 2B
9 2A
Logic diagram
Rext Cext
A
B
CLR
VCC
VH
VL
OUT
Q
CK
CK
Q
CLR
To Another
Transceiver
2