Datasheet

2
Pinout
CD54HC161, CD54HCT161, CD54HC163, CD54HCT163
(CERDIP)
CD74HC161, CD74HCT161, CD74HC163, CD74HCT163
(PDIP, SOIC)
TOP VIEW
Functional Diagram
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
MR
CP
P0
P1
P2
P3
GND
PE
V
CC
Q0
Q1
Q2
Q3
TE
SPE
TC
SPE
CP
MR
PE
TE
9
2
1
7
10
3456
14
13
12
11
15
Q0
Q1
Q2
Q3
TC
P0 P1 P2 P3
CD54/74HC161, CD54/74HCT161, CD54/74HC163, CD54/74HCT163