74LV688D Просмотр технического описания (PDF) - Philips Electronics
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74LV688D Datasheet PDF : 12 Pages
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Philips Semiconductors
8-bit magnitude comparator
LOGIC SYMBOL
2
4
6
8
11
13
15
17
3
5
7
9
12
14
16
18
P0
P1
P2
P3
P4
P5
P6
P7
P=Q
19
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7 E
1
SY00055
LOGIC SYMBOL (IEEE/IEC)
1
G1
2
0
4
6
8
P
11
13
15
17
7
(P = Q) 1
19
3
0
5
7
9
Q
12
14
16
18
7
SY00056
Product specification
74LV688
LOGIC DIAGRAM
P7
Q7
P6
Q6
P5
Q5
P4
Q4
P3
Q3
P2
Q2
P1
Q1
P0
Q0
E
FUNCTION TABLE
INPUTS
DATA
Pn, Qn
ENABLE
E
P=Q
L
X
H
P>Q
L
P<Q
L
NOTES:
H = HIGH voltage level
L = LOW voltage level
X = Don’t care
P=Q
SY00057
OUTPUT
P=Q
L
H
H
H
1998 Jun 23
3
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