HD74AC165 Datasheet, PDF (2/7 Pages) Hitachi Semiconductor – Parallel-Load 8-bit Shift Register

HD74AC165
Logic Symbol
15 11 12 13 14 3 4 5 6
Clock A B C D E F G H
Inhibit
1
SL
2
CP
10
SI
QH QH
9
7
Pin Names
A to H
S_I
CP
S_L
Clock Inhibit
Q_H, Q_H
Parallel Inputs
Serial Input
Clock Input
Shift Load
Clock Inhibit
Outputs
Truth Table
Inputs
Clock
S_L
L
Inhibit
CP
X
X
S_I
X
H
L
L
X
H
L
H
H
L
L
H
H
X
X
H : High Voltage Level
L : Low Voltage Level
X : Immaterial
: Low-to-High Clock Transition
Parallel
Internal Outputs
A ······ H
Q_A
a ······ h a
Q_B
b
X
Q_AD
X
H
X
L
X
Q_AD
Q_BO
Q_An
Q_An
Q_BO
Outputs
Q_H
h
Q_HO
Q_Gn
Q_Cn
Q_HO
Rev.2.00, Jul.16.2004, page 2 of 6