HD74HC4538 Datasheet, PDF (2/14 Pages) Hitachi Semiconductor – Dual Precision Retriggerable/Resettable Monostable Multivibrators

HD74HC4538
Pin Arrangement
Logic Diagram
AA
BA
CDA
AB
BB
CDB
T1A 1
T2A 2
CDA 3
AA 4
BA 5
QA 6
QA 7
GND 8
T2^T1
CD
A
B
Q
Q
T1
T2
CD
A
B
Q
Q
(Top view)
16 VCC
15 T1B
14 T2B
13 CDB
12 AB
11 BB
10 QB
9 QB
CX
RX
VCC
T1A
T2A
QA
QA
CX
RX
VCC
T1B
T2B
QB
QB
RX and CX are external components
Rev.2.00 Mar 30, 2006 page 2 of 13