SL74HC166
DC ELECTRICAL CHARACTERISTICS(Voltages Referenced to GND)
VCC
V
Guaranteed Limit
Symbol
Parameter
Test Conditions
25 °C
to
£85
°C
£125
°C
Unit
V
-55°C
V
IH
Minimum High-Level
Input Voltage
VOUT=0.1 V or VCC-0.1 V
êIOUTê£ 20 mA
2.0
4.5
6.0
1.5
3.15
4.2
1.5
3.15
4.2
1.5
3.15
4.2
V
IL
Maximum Low -Level
Input Voltage
VOUT=0.1 V or VCC-0.1 V
êIOUTê £ 20 mA
2.0
4.5
6.0
0.3
0.9
1.2
0.3
0.9
1.2
0.3
0.9
1.2
V
VOH
Minimum High-Level
Output Voltage
V =V or V
IL
êIOUTê £ 20 mA
2.0
4.5
6.0
1.9
4.4
5.9
1.9
4.4
5.9
1.9
4.4
5.9
V
IN
IH
V =V or V
IL
IN
IH
êIOUTê £ 4.0 mA
êIOUTê £ 5.2 mA
4.5
6.0
3.98
5.48
3.84
5.34
3.7
5.2
VOL
Maximum Low-Level
Output Voltage
V =V or V
IL
êIOUTê £ 20 mA
2.0
4.5
6.0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
V
IN
IH
V =V or V
IL
IN
IH
êIOUTê £ 4.0 mA
êIOUTê £ 5.2 mA
4.5
6.0
0.26
0.26
0.33
0.33
0.4
0.4
IIN
Maximum Input
Leakage Current
V =VCC or GND
6.0
±0.1
±1.0
±1.0
mA
mA
IN
ICC
Maximum Quiescent
Supply Current
(per Package)
V =VCC or GND
6.0
8.0
80
160
IN
IOUT=0mA
FUNCTION TABLE
Inputs
Internal
Outputs
Output
QH
Clear
Shift/Load
Clock
Clock
X
SA
Parallel
A...H
QA
QB
Inhibit
L
X
X
L
X
X
L
L
L
H
X
X
X
H
L
X
X
L
L
L
H
No change
H
a...h
X
a
H
L
b
h
H
H
H
X
QAn
QGn
QGn
H
H
X
QAn
X
X
X
No change
X = don’ t care
a...h = the level of steady state input voltage at input A trough H respectively
System Logic
Semiconductor
SLS