HD74ACT161 Datasheet, PDF (4/14 Pages) Hitachi Semiconductor – Synchronous Presettable Binary Counter

HD74ACT161/HD74ACT163
Mode Select Table
SR*¹
PE
CET
L
X
X
H
L
X
H
H
H
H
H
L
H
Note:
H
X
1. For HD74AC163/HD74ACT163
H : High Voltage Level
L : Low Voltage Level
X : Immaterial
CEP
X
X
H
X
L
Action on the Rising Clock Edge ( )
Reset (Clear)
Load (Pn → Qn)
Count (Increment)
No change (Hold)
No change (Hold)
State Diagram
0
1
2
3
4
15
5
14
6
13
7
12
11
10
9
8
4