74HCT688N NXP Semiconductors, 74HCT688N Datasheet - Page 4

• Manufacturer Part Number: 74HCT688N
• Description: IC, 74HCT CMOS, 74HCT688, DIP20, 5V
• Manufacturer: NXP Semiconductors

Specifications of 74HCT688N

• Comparator Type: Magnitude
• No. Of Channels: 8
• Supply Voltage Range: 4.5V To 5.5V
• Logic Case Style: DIP
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +125°C
• Svhc: No SVHC (18-Jun-2010)
• Base Number: 74
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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