74lv688 NXP Semiconductors, 74lv688 Datasheet - Page 3

• Manufacturer Part Number: 74lv688
• Description: 8-bit Magnitude Comparator
• Manufacturer: NXP Semiconductors

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