’175 Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Typ
Symbol
Parameter
Conditions
Min
Max
Units
(Note 1)
e
e
e b
e
b
1.5
V
V
Input Clamp Voltage
V
Min, I
Min, I
12 mA
V
V
I
CC
I
High Level Output
Voltage
V
V
Max
Min
OH
CC
OH
2.4
e
e
Max, V
IL
IH
e
e
V
OL
Low Level Output
Voltage
V
V
Min, I
Max
CC
OL
0.4
V
e
e
Min, V
Max
IH
IL
@
Input Current Max
e
e
I
V
CC
Max, V
5.5V
I
I
1
mA
Input Voltage
e
e
e
e
e
I
I
I
High Level Input Current
Low Level Input Current
V
V
V
Max, V
Max, V
Max
2.4V
0.4V
40
mA
IH
IL
CC
CC
CC
I
b
1.6
mA
I
b
b
b
b
Short Circuit
DM54
DM74
20
18
57
57
OS
mA
mA
Output Current
(Note 2)
e
CC
I
Supply Current
V
Max (Note 3)
30
45
CC
’175 Switching Characteristics
5V and T
e
e
25 C (See Section 1 for Test Waveforms and Output Load)
at V
§
CC
A
e
e
L
R
400X, C
15 pF
Max
L
From (Input)
To (Output)
Symbol
Parameter
Units
Min
f
t
t
t
t
Maximum Clock
Frequency
MAX
PLH
PHL
PLH
PHL
30
MHz
ns
Propagation Delay Time
Low to High Level Output
Clock to
25
25
25
40
Any Q or Q
Propagation Delay Time
High to Low Level Output
Clock to
ns
Any Q or Q
Propagation Delay Time
Low to High Level Output
Clear to
Any Q
ns
Propagation Delay Time
High to Low Level Output
Clear to
Any Q
ns
e
e
25 C.
Note 1: All typicals are at V
5V, T
§
CC
Note 2: Not more than one output should be shorted at a time.
Note 3: With all outputs open and 4.5V applied to all DATA and CLEAR inputs, I
A
is measured after a momentary ground then 4.5V applied to the CLOCK.
CC
4
NSC [ National Semiconductor ]
