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DM74LS174 Datasheet(PDF) 3 Page - Fairchild Semiconductor

Part No. DM74LS174
Description  Hex/Quad D-Type Flip-Flops with Clear
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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Absolute Maximum Ratings(Note 1)
Note 1: The “Absolute Maximum Ratings” are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
DM74LS174 Recommended Operating Conditions
Note 2: CL = 15 pF, RL = 2 kΩ, TA = 25°C and VCC = 5V.
Note 3: CL = 50 pF, RL = 2 kΩ, TA = 25°C and VCC = 5V.
Note 4: TA = 25°C and VCC = 5V.
DM74LS174 Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Note 5: All typicals are at VCC = 5V, TA = 25°C.
Note 6: Not more than one output should be shorted at a time, and the duration should not exceed one second.
Note 7: With all outputs OPEN and 4.5V applied to all data and clear inputs, ICC is measured after a momentary ground, then 4.5V applied to the clock.
Supply Voltage
7V
Input Voltage
7V
Operating Free Air Temperature Range
0
°C to +70°C
Storage Temperature Range
−65°C to +150°C
Symbol
Parameter
Min
Nom
Max
Units
VCC
Supply Voltage
4.75
5
5.25
V
VIH
HIGH Level Input Voltage
2
V
VIL
LOW Level Input Voltage
0.8
V
IOH
HIGH Level Output Current
−0.4
mA
IOL
LOW Level Output Current
8
mA
fCLK
Clock Frequency (Note 2)
0
30
MHz
fCLK
Clock Frequency (Note 3)
0
25
MHz
tW
Pulse Width
Clock
20
ns
(Note 4)
Clear
20
tSU
Data Setup Time (Note 4)
20
ns
tH
Data Hold Time (Note 4)
0
ns
tREL
Clear Release Time (Note 4)
25
ns
TA
Free Air Operating Temperature
0
70
°C
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 5)
VI
Input Clamp Voltage
VCC = Min, II = −18 mA
−1.5
V
VOH
HIGH Level
VCC = Min, IOH = Max
2.7
3.4
V
Output Voltage
VIL = Max, VIH = Min
VOL
LOW Level
VCC = Min, IOL = Max
0.35
0.5
Output Voltage
VIL = Max, VIH = Min
V
IOL = 4 mA, VCC = Min
0.25
0.4
II
Input Current @ Max Input Voltage VCC = Max, VI = 7V
0.1
mA
IIH
HIGH Level Input Current
VCC = Max, VI = 2.7V
20
µA
IIL
LOW Level
VCC = Max
Clock
−0.4
Input Current
VI = 0.4V
Clear
−0.4
mA
Data
−0.36
IOS
Short Circuit Output Current
VCC = Max (Note 6)
−20
−100
mA
ICC
Supply Current
VCC = Max (Note 7)
16
26
mA




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