MC74HC165AMNTWG 데이터 시트보기 (PDF) - ON Semiconductor
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MC74HC165AMNTWG Datasheet PDF : 12 Pages
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SERIAL SHIFT/
PARALLEL LOAD
1
CLOCK 2
E3
F4
G5
H6
QH 7
GND 8
MC74HC165A
16 VCC
15 CLOCK INHIBIT
14 D
13 C
12 B
11 A
10 SA
9 QH
SERIAL SHIFT/
PARALLEL LOAD VCC
1 16
CLOCK 2
E3
F4
G5
GND
H6
QH 7
89
GND QH
15 CLOCK INHIBIT
14 D
13 C
12 B
11 A
10 SA
Figure 1. Pin Assignments
PARALLEL
DATA
INPUTS
A 11
B 12
13
C
D 14
E3
F4
G5
SERIAL
DATA
INPUT
H6
SA 10
SERIAL SHIFT/ 1
PARALLEL LOAD
CLOCK 2
CLOCK INHIBIT 15
9 QH
7
QH
SERIAL
DATA
OUTPUTS
PIN 16 = VCC
PIN 8 = GND
Figure 2. Logic Diagram
Serial Shift/
Parallel Load
L
H
H
H
H
H
H
H
FUNCTION TABLE
Inputs
Internal Stages
Output
Clock
Clock Inhibit
SA
X
X
X
L
L
L
H
L
L
L
H
X
H
X
H
X
X
A−H
a…h
X
X
X
X
X
X
QA
QB
QH
a
b
h
L
QAn
QGn
H
QAn
QGn
L
QAn
QGn
H
QAn
QGn
No Change
L
L
X
X
No Change
X = don’t care
QAn − QGn = Data shifted from the preceding stage
Operation
Asynchronous Parallel Load
Serial Shift via Clock
Serial Shift via Clock Inhibit
Inhibited Clock
No Clock
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