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Datasheet Quick-Ref
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74HC574
Octal D Flip-Flop 3-State
Datasheet (PDF)
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74HC574
DIP-20
1
~OE
2
D0
3
D1
4
D2
5
D3
6
D4
7
D5
8
D6
9
D7
10
GND
20
VCC
19
Q0
18
Q1
17
Q2
16
Q3
15
Q4
14
Q5
13
Q6
12
Q7
11
CP
vcc
gnd
in
out
io
Pin Reference
⌄
#
Label
Type
1
~OE
in
2
D0
in
3
D1
in
4
D2
in
5
D3
in
6
D4
in
7
D5
in
8
D6
in
9
D7
in
10
GND
gnd
11
CP
in
12
Q7
out
13
Q6
out
14
Q5
out
15
Q4
out
16
Q3
out
17
Q2
out
18
Q1
out
19
Q0
out
20
VCC
vcc