74HCT85D-T NXP Semiconductors, 74HCT85D-T Datasheet - Page 4

• Manufacturer Part Number: 74HCT85D-T
• Description: Comparator ICs 4-BIT MAGNITUDE COMPARATOR
• Manufacturer: NXP Semiconductors

Specifications of 74HCT85D-T

• Comparator Type: Magnitude
• Product: Digital Comparators
• Response Time: 20 ns
• Input Bias Current (max): 0.008 mA
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: SOT-109
• Minimum Operating Temperature: - 40 C
• Number Of Bits: 4
• Propagation Delay Time: 44 ns
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 74HCT85D,653

Philips Semiconductors
APPLICATIONS
FUNCTION TABLE
Notes
1. H = HIGH voltage level
December 1990
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
Process controllers
Servo-motor control
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4-bit magnitude comparator
3
=B
=B
=B
=B
=B
=B
=B
=B
=B
=B
=B
=B
, B
L = LOW voltage level
X = don’t care
B
B
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
COMPARING INPUTS
A
X
X
A
A
A
A
A
A
A
A
A
A
A
A
2
2
2
2
2
2
2
2
2
2
2
2
2
, B
=B
=B
=B
=B
=B
=B
=B
=B
=B
=B
Fig.4 Functional diagram.
B
B
2
2
2
2
2
2
2
2
2
2
2
2
2
A
X
X
X
X
A
A
A
A
A
A
A
A
A
A
1
1
1
1
1
1
1
1
1
1
1
=B
=B
=B
=B
=B
=B
=B
=B
, B
B
B
1
1
1
1
1
1
1
1
1
1
1
A
X
X
X
X
X
X
A
A
A
A
A
A
A
A
0
0
0
0
0
0
0
0
0
=B
=B
=B
=B
=B
=B
, B
B
B
0
0
0
0
0
0
0
0
0
I
X
X
X
X
X
X
X
X
H
L
L
X
H
L
A B
CASCADING INPUTS
4
I
X
X
X
X
X
X
X
X
L
H
L
X
H
L
A B
I
X
X
X
X
X
X
X
X
L
L
H
H
L
L
A=B
Q
H
L
H
L
H
L
H
L
H
L
L
L
L
H
A B
74HC/HCT85
OUTPUTS
Q
L
H
L
H
L
H
L
H
L
H
L
L
L
H
Product specification
A B
Q
L
L
L
L
L
L
L
L
L
L
H
H
L
L
A=B