74hct688 NXP Semiconductors, 74hct688 Datasheet - Page 3

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

Philips Semiconductors
PIN DESCRIPTION
December 1990
PIN NO.
1
2, 4, 6, 8, 11, 13, 15, 17
3, 5, 7, 9, 12, 14, 16, 18
10
19
20
8-bit magnitude comparator
Fig.1 Pin configuration.
SYMBOL
E
P
Q
GND
P = Q
V
0
CC
0
to P
to Q
Fig.2 Logic symbol.
7
7
3
NAME AND FUNCTION
enable input (active LOW)
word inputs
word inputs
ground (0 V)
equal to output
positive supply voltage
Fig.3 IEC logic symbol.
74HC/HCT688
Product specification