74HC688 View Datasheet(PDF) - Nexperia B.V. All rights reserved
Part Name
Description
Manufacturer
74HC688 Datasheet PDF : 16 Pages
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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).
Symbol Parameter
Conditions
25 °C
-40 °C to
+85 °C
Min Typ Max Min Max
VIH
HIGH-level input VCC = 2.0 V
voltage
VCC = 4.5 V
1.5 1.2
3.15 2.4
-
1.5
-
- 3.15 -
VCC = 6.0 V
4.2 3.2
-
4.2
-
VIL
LOW-level input VCC = 2.0 V
voltage
VCC = 4.5 V
-
0.8 0.5
-
0.5
-
2.1 1.35 - 1.35
VCC = 6.0 V
-
2.8 1.8
-
1.8
VOH
HIGH-level
VI = VIH or VIL
output voltage
IO = -20 μA; VCC = 2.0 V
1.9 2.0
-
1.9
-
IO = -20 μA; VCC = 4.5 V
4.4 4.5
-
4.4
-
IO = -20 μA; VCC = 6.0 V
5.9 6.0
-
5.9
-
IO = -4.0 mA; VCC = 4.5 V
3.98 4.32
-
3.84
-
IO = -5.2 mA; VCC = 6.0 V
5.48 5.81
-
5.34
-
VOL
LOW-level
VI = VIH or VIL
output voltage
IO = 20 μA; VCC = 2.0 V
-
0
0.1
-
0.1
IO = 20 μA; VCC = 4.5 V
-
0
0.1
-
0.1
IO = 20 μA; VCC = 6.0 V
-
0
0.1
-
0.1
IO = 4.0 mA; VCC = 4.5 V
- 0.15 0.26 - 0.33
IO = 5.2 mA; VCC = 6.0 V
- 0.16 0.26 - 0.33
II
input leakage VI = VCC or GND; VCC = 6.0 V
-
- ±0.1 -
±1
current
ICC
supply current VI = VCC or GND; IO = 0 A;
VCC = 6.0 V
CI
input
capacitance
-
-
8.0
-
80
-
3.5
-
-
-
-40 °C to Unit
+125 °C
Min Max
1.5
-V
3.15 - V
4.2
-V
-
0.5 V
- 1.35 V
-
1.8 V
1.9
-V
4.4
-V
5.9
-V
3.7
-V
5.2
-V
-
0.1 V
-
0.1 V
-
0.1 V
-
0.4 V
-
0.4 V
-
±1 μA
-
160 μA
-
- pF
74HC688
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 4 July 2018
© Nexperia B.V. 2018. All rights reserved.
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