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DM74LS174 Datasheet(PDF) 5 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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DM74LS175 Recommended Operating Conditions
Note 8: CL = 15 pF, RL = 2 kΩ, TA = 25°C and VCC = 5V.
Note 9: CL = 50 pF, RL = 2 kΩ, TA = 25°C and VCC = 5V.
Note 10: TA = 25°C and VCC = 5V.
DM74LS175 Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Note 11: All typicals are at VCC = 5V, TA = 25°C.
Note 12: Not more than one output should be shorted at a time, and the duration should not exceed one second.
Note 13: 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
input.
DM74LS175 Switching Characteristics
at VCC = 5V and TA = 25°C (See Section 1 for Test Waveforms and Output Load)
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 8)
0
30
MHz
fCLK
Clock Frequency (Note 9)
0
25
MHz
tW
Pulse Width
Clock
20
ns
(Note 10)
Clear
20
tSU
Data Setup Time (Note 10)
20
ns
tH
Data Hold Time (Note 10)
0
ns
tREL
Clear Release Time (Note 10)
25
ns
TA
Free Air Operating Temperature
0
70
°C
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 11)
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 12)
−20
−100
mA
ICC
Supply Current
VCC = Max (Note 13)
11
18
mA
From (Input)
RL = 2 kΩ
Symbol
Parameter
To (Output)
CL = 15 pF
CL = 50 pF
Units
Min
Max
Min
Max
fMAX
Maximum Clock Frequency
30
25
MHz
tPLH
Propagation Delay Time
Clock to Q or Q
30
32
ns
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
Clock to Q or Q
30
36
ns
HIGH-to-LOW Level Output
tPLH
Propagation Delay Time
Clear to Q
25
29
ns
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
Clear to Q
35
42
ns
HIGH-to-LOW Level Output




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