Electrical Characteristics
over recommended operating free air temperature range. All typical values are measured at VCC = 5V, TA = 25°C.
Symbol
Parameter
Conditions
Min
Typ
VIK
Input Clamp Voltage
VOH
HIGH Level
Output Voltage
VOL
LOW Level
Output Voltage
VCC = 4.5V, IIN = −18 mA
IOH = −400 µA
VCC = 4.5V to 5.5V
VCC = 4.5V
IOL = 8 mA
VCC − 2 VCC − 1.6
0.35
II
Input Current at
Max Input Voltage
VCC = 5.5V, VIN = 7V
IIH
HIGH Level Input Current
VCC = 5.5V, VIH = 2.7V
IIL
LOW Level Input Current
VCC = 5.5V, VIN = 0.4V
IO
Output Drive Current
VCC = 5.5V, VO = 2.25V
−30
ICC
Supply Current
VCC = 5.5V
DM74ALS174
11
Clock = 4.5V
Clear = GND
DM74ALS175
8
D Input = GND
Max
−1.5
0.5
0.1
20
−0.1
−112
19
14
Switching Characteristics
over recommended operating free air temperature range
Symbol
Parameter
Conditions
fMAX
tPLH
tPHL
tPLH
tPHL
Maximum Clock Frequency
Propagation Delay Time
LOW-to-HIGH Level
Output From Clear (175 Only)
Propagation Delay Time
HIGH-to-LOW Level
Output From Clear
Propagation Delay Time
LOW-to-HIGH Level
Output From Clock
Propagation Delay Time
HIGH-to-LOW Level
Output From Clock
RL = 500Ω
CL = 50 pF
VCC = 4.5V to 5.5V
Min
Max
50
5
18
8
23
3
15
5
17
Units
V
V
V
mA
µA
mA
mA
mA
Units
MHz
ns
ns
ns
ns
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