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Datasheet Quick-Ref
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74HC688
8-Bit Identity Comparator
Datasheet (PDF)
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74HC688
DIP-20
1
~OE
2
P0
3
Q0
4
P1
5
Q1
6
P2
7
Q2
8
P3
9
Q3
10
GND
20
VCC
19
~P=Q
18
Q7
17
P7
16
Q6
15
P6
14
Q5
13
P5
12
Q4
11
P4
vcc
gnd
in
out
io
Pin Reference
⌄
#
Label
Type
1
~OE
in
2
P0
in
3
Q0
in
4
P1
in
5
Q1
in
6
P2
in
7
Q2
in
8
P3
in
9
Q3
in
10
GND
gnd
11
P4
in
12
Q4
in
13
P5
in
14
Q5
in
15
P6
in
16
Q6
in
17
P7
in
18
Q7
in
19
~P=Q
out
20
VCC
vcc