CD54HCT688 Datasheet, PDF (2/14 Pages) Texas Instruments – High-Speed CMOS Logic 8-Bit Magnitude Comparator

CD54HC688, CD74HC688, CD54HCT688, CD74HCT688
Functional Diagram
2
A0
4
A1
6
A2
8
A3
11
A4
13
A5
15
A6
17
A7
3
B0
5
B1
7
B2
9
B3
12
B4
14
B5
16
B6
18
B7
1
E
Y
19
TRUTH TABLE
INPUTS
OUPUTS
A, B
E
Y
A=B
L
L
A≠B
L
H
X
H
H
H = High Voltage Level, L = Low Voltage Level, X = Don’t Care
2