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74HC688PW,112

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
Nexperia
74HC688
8-bit magnitude comparator
7 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 SO20 Packages: P
tot
derates linearly with 8 mW/K above 70 °C.
For (T)SSOP20 Packages: P
tot
derates linearly with 5.5 mW/K above 60 °C.
8 Recommended operating conditions
Table 5. Recommended operating conditions
Voltages are referenced to GND (ground = 0 V)
Symbol Parameter Conditions Min Typ Max Unit
V
CC
supply voltage 2.0 5.0 6.0 V
V
I
input voltage 0 - V
CC
V
V
O
output voltage 0 - V
CC
V
T
amb
ambient temperature -40 - +125 °C
V
CC
= 2.0 V - - 625 ns/V
V
CC
= 4.5 V - 1.67 139 ns/V
Δt/ΔV input transition rise and fall rate
V
CC
= 6.0 V - - 83 ns/V
74HC688 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved.
Product data sheet Rev. 3 — 4 July 2018
4 / 16
Nexperia
74HC688
8-bit magnitude comparator
9 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
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
I
I
input leakage
current
V
I
= V
CC
or GND; V
CC
= 6.0 V - - ±0.1 - ±1 - ±1 μA
I
CC
supply current V
I
= V
CC
or GND; I
O
= 0 A;
V
CC
= 6.0 V
- - 8.0 - 80 - 160 μA
C
I
input
capacitance
- 3.5 - - - - - pF
74HC688 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved.
Product data sheet Rev. 3 — 4 July 2018
5 / 16
Nexperia
74HC688
8-bit magnitude comparator
10 Dynamic characteristics
Table 7. Dynamic characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V);
C
L
= 50 pF unless otherwise specified; for test circuit, see Figure 8
25 °C -40 °C to
+85 °C
-40 °C to
+125 °C
Symbol Parameter Conditions
Min Typ Max Min Max Min Max
Unit
Pn, Qn to P=Q; see Figure 6
[1]
V
CC
= 2.0 V - 55 170 - 215 - 255 ns
V
CC
= 4.5 V - 20 34 - 43 - 51 ns
V
CC
= 5.0 V; C
L
= 15 pF - 17 - - - - - ns
V
CC
= 6.0 V - 16 29 - 37 - 43 ns
E to P=Q; see Figure 7
V
CC
= 2.0 V - 28 120 - 150 - 180 ns
V
CC
= 4.5 V - 10 24 - 30 - 36 ns
V
CC
= 5.0 V; C
L
= 15 pF - 8 - - - - - ns
t
pd
propagation
delay
V
CC
= 6.0 V - 8 20 - 26 - 31 ns
see Figure 7
[2]
V
CC
= 2.0 V - 19 75 - 95 - 110 ns
V
CC
= 4.5 V - 7 15 - 19 - 22 ns
t
t
transition time
V
CC
= 6.0 V - 6 13 - 16 - 19 ns
C
PD
power
dissipation
capacitance
per package; V
I
= GND to V
CC
[3]
- 30 - - - - - pF
[1] t
pd
is the same as t
PHL
and t
PLH
.
[2] t
t
is the same as t
THL
and t
TLH
.
[3] C
PD
is used to determine the dynamic power dissipation (P
D
in μW).
P
D
= C
PD
× V
CC
2
× f
i
+ Σ (C
L
× V
CC
2
× f
o
) where:
f
i
= input frequency in MHz;
f
o
= output frequency in MHz;
Σ (C
L
× V
CC
2
× f
o
) = sum of outputs;
C
L
= output load capacitance in pF;
V
CC
= supply voltage in V.
74HC688 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved.
Product data sheet Rev. 3 — 4 July 2018
6 / 16
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

74HC688PW,112

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Buy 74HC688PW,112
Manufacturer:
Nexperia
Description:
Logic Comparators 8-BIT MAGNITUDE
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New from this manufacturer.
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