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54LS174DMQB View Datasheet(PDF) - National ->Texas Instruments

Part NameDescriptionManufacturer
54LS174DMQB Hex/Quad D Flip-Flops with Clear National-Semiconductor
National ->Texas Instruments National-Semiconductor
54LS174DMQB Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
’LS175 Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Symbol
VI
VOH
VOL
II
IIH
IIL
IOS
ICC
Parameter
Input Clamp Voltage
High Level Output
Voltage
Low Level Output
Voltage
Input Current Max
Input Voltage
High Level Input Current
Low Level Input
Current
Short Circuit
Output Current
Supply Current
Conditions
VCC e Min II e b18 mA
VCC e Min IOH e Max
VIL e Max VIH e Min
VCC e Min IOL e Max
VIL e Max VIH e Min
IOL e 4 mA VCC e Min
VCC e Max VI e 7V
DM54
DM74
DM54
DM74
DM74
VCC e Max VI e 2 7V
VCC e Max
VI e 0 4V
VCC e Max
(Note 2)
VCC e Max (Note 3)
Clock
Clear
Data
DM54
DM74
Min
25
27
b20
b20
Typ
(Note 1)
34
34
0 25
0 35
0 25
11
Max
b1 5
04
05
04
01
20
b0 4
b0 4
b0 36
b100
b100
18
Units
V
V
V
mA
mA
mA
mA
mA
’LS175 Switching Characteristics
at VCC e 5V and TA e 25 C (See Section 1 for Test Waveforms and Output Load)
Symbol
Parameter
From (Input)
To (Output)
RL e 2 kX
CL e 15 pF
CL e 50 pF
Min
Max
Min
Max
Units
fMAX
tPLH
Maximum Clock Frequency
Propagation Delay Time
Low to High Level Output
Clock to
Q or Q
30
25
MHz
30
32
ns
tPHL
Propagation Delay Time
High to Low Level Output
Clock to
Q or Q
30
36
ns
tPLH
Propagation Delay Time
Low to High Level Output
Clear to
Q
25
29
ns
tPHL
Propagation Delay Time
High to Low Level Output
Clear to
Q
35
42
ns
Note 1 All typicals are at VCC e 5V TA e 25 C
Note 2 Not more than one output should be shorted at a time and the duration should not exceed one second
Note 3 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
4
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