74hct688 NXP Semiconductors, 74hct688 Datasheet - Page 4

• Manufacturer Part Number: 74hct688
• Description: 8-bit Magnitude Comparator
• Manufacturer: NXP Semiconductors

Philips Semiconductors
FUNCTION TABLE
Notes
1. H = HIGH voltage level
December 1990
8-bit magnitude comparator
L = LOW voltage level
X = don’t care
DATA P
P = Q
P
P
X
Q
Q
n
, Q
Fig.4 Functional diagram.
INPUTS
n
ENABLE E
H
L
L
L
OUTPUT
P = Q
H
H
H
L
4
Fig.5 Logic diagram.
74HC/HCT688
Product specification