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74HC85D,652

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19
Nexperia
74HC85; 74HCT85
4-bit magnitude comparator
74HC_HCT85 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved.
Product data sheet Rev. 3 — 20 April 2018
4 / 19
6 Pinning information
6.1 Pinning
74HC85
74HCT85
B3 V
CC
I
A<B
A3
I
A=B
B2
I
A>B
A2
Q
A>B
A1
Q
A=B
B1
Q
A<B
A0
GND B0
aaa-028462
1
2
3
4
5
6
7
8
10
9
12
11
14
13
16
15
Figure 5. Pin configuration SOT109-1 (SO16)
74HC85
74HCT85
B3 V
CC
I
A<B
A3
I
A=B
B2
I
A>B
A2
Q
A>B
A1
Q
A=B
B1
Q
A<B
A0
GND B0
aaa-028463
1
2
3
4
5
6
7
8
10
9
12
11
14
13
16
15
Figure 6. Pin configuration SOT338-1 (SSOP16)
and SOT403-1 (TSSOP16)
6.2 Pin description
Table 2. Pin description
Symbol Pin Description
I
A<B
2 A<B expansion input
I
A=B
3 A=B expansion input
I
A>B
4 A>B expansion input
Q
A>B
5 A>B output
Q
A=B
6 A=B output
Q
A<B
7 A<B output
A0 to A3 10, 12, 13, 15 word A inputs
B0 to B3 9, 11, 14, 1 word B inputs
GND 8 ground (0 V)
V
CC
16 supply voltage
Nexperia
74HC85; 74HCT85
4-bit magnitude comparator
74HC_HCT85 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved.
Product data sheet Rev. 3 — 20 April 2018
5 / 19
7 Functional description
Table 3. Function table
H = HIGH voltage level; L = LOW voltage level; X = don’t care.
Comparing inputs Cascading inputs Outputs
A3, B3 A2, B2 A1, B1 A0, B0 I
A>B
I
A<B
I
A=B
Q
A>B
Q
A<B
Q
A=B
A3 > B3 X X X X X X H L L
A3 < B3 X X X X X X L H L
A3 = B3 A2 > B2 X X X X X H L L
A3 = B3 A2 < B2 X X X X X L H L
A3 = B3 A2 = B2 A1 > B1 X X X X H L L
A3 = B3 A2 = B2 A1 < B1 X X X X L H L
A3 = B3 A2 = B2 A1 = B1 A0 > B0 X X X H L L
A3 = B3 A2 = B2 A1 = B1 A0 < B0 X X X L H L
A3 = B3 A2 = B2 A1 = B1 A0 = B0 H L L H L L
A3 = B3 A2 = B2 A1 = B1 A0 = B0 L H L L H L
A3 = B3 A2 = B2 A1 = B1 A0 = B0 L L H L L H
A3 = B3 A2 = B2 A1 = B1 A0 = B0 X X H L L H
A3 = B3 A2 = B2 A1 = B1 A0 = B0 H H L L L L
A3 = B3 A2 = B2 A1 = B1 A0 = B0 L L L H H L
8 Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V)
Symbol Parameter Conditions Min Max Unit
V
CC
supply voltage -0.5 +7 V
I
IK
input clamping current V
I
< -0.5 V or V
I
> V
CC
+ 0.5 V
[1]
- ±20 mA
I
OK
output clamping current V
O
< -0.5 V or V
O
> V
CC
+ 0.5 V
[1]
- ±20 mA
I
O
output current -0.5 V < V
O
< V
CC
+ 0.5 V - ±25 mA
I
CC
supply current - 50 mA
I
GND
ground current -50 - mA
T
stg
storage temperature -65 +150 °C
P
tot
total power dissipation T
amb
= -40 °C to +125 °C
[2]
- 500 mW
[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2] For SO16 Packages: P
tot
derates linearly with 8 mW/K above 70 °C.
For (T)SSOP16 Packages: P
tot
derates linearly with 5.5 mW/K above 60 °C.
Nexperia
74HC85; 74HCT85
4-bit magnitude comparator
74HC_HCT85 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved.
Product data sheet Rev. 3 — 20 April 2018
6 / 19
9 Recommended operating conditions
Table 5. Recommended operating conditions
Voltages are referenced to GND (ground = 0 V)
74HC85 74HCT85Symbol Parameter Conditions
Min Typ Max Min Typ Max
Unit
V
CC
supply voltage 2.0 5.0 6.0 4.5 5.0 5.5 V
V
I
input voltage 0 - V
CC
0 - V
CC
V
V
O
output voltage 0 - V
CC
0 - V
CC
V
T
amb
ambient temperature -40 - +125 -40 - +125 °C
V
CC
= 2.0 V - - 625 - - - ns/V
V
CC
= 4.5 V - 1.67 139 - 1.67 139 ns/V
Δt/ΔV input transition rise and fall rate
V
CC
= 6.0 V - - 83 - - - ns/V
10 Static characteristics
Table 6. Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
25 °C -40 °C to
+85 °C
-40 °C to
+125 °C
Symbol Parameter Conditions
Min Typ Max Min Max Min Max
Unit
74HC85
V
CC
= 2.0 V 1.5 1.2 - 1.5 - 1.5 - V
V
CC
= 4.5 V 3.15 2.4 - 3.15 - 3.15 - V
V
IH
HIGH-level input
voltage
V
CC
= 6.0 V 4.2 3.2 - 4.2 - 4.2 - V
V
CC
= 2.0 V - 0.8 0.5 - 0.5 - 0.5 V
V
CC
= 4.5 V - 2.1 1.35 - 1.35 - 1.35 V
V
IL
LOW-level input
voltage
V
CC
= 6.0 V - 2.8 1.8 - 1.8 - 1.8 V
V
I
= V
IH
or V
IL
I
O
= -20 μA; V
CC
= 2.0 V 1.9 2.0 - 1.9 - 1.9 - V
I
O
= -20 μA; V
CC
= 4.5 V 4.4 4.5 - 4.4 - 4.4 - V
I
O
= -20 μA; V
CC
= 6.0 V 5.9 6.0 - 5.9 - 5.9 - V
I
O
= -4.0 mA; V
CC
= 4.5 V 3.98 4.32 - 3.84 - 3.7 - V
V
OH
HIGH-level
output voltage
I
O
= -5.2 mA; V
CC
= 6.0 V 5.48 5.81 - 5.34 - 5.2 - V
V
I
= V
IH
or V
IL
I
O
= 20 μA; V
CC
= 2.0 V - 0 0.1 - 0.1 - 0.1 V
I
O
= 20 μA; V
CC
= 4.5 V - 0 0.1 - 0.1 - 0.1 V
I
O
= 20 μA; V
CC
= 6.0 V - 0 0.1 - 0.1 - 0.1 V
I
O
= 4.0 mA; V
CC
= 4.5 V - 0.15 0.26 - 0.33 - 0.4 V
V
OL
LOW-level
output voltage
I
O
= 5.2 mA; V
CC
= 6.0 V - 0.16 0.26 - 0.33 - 0.4 V
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19

74HC85D,652

Mfr. #:
Buy 74HC85D,652
Manufacturer:
Nexperia
Description:
Logic Comparators COMPARATOR 4BIT MAG
Lifecycle:
New from this manufacturer.
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