’175 Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Symbol
V
I
V
OH
V
OL
I
I
I
IH
I
IL
I
OS
Parameter
Input Clamp Voltage
High Level Output
Voltage
Low Level Output
Voltage
Input Current
Input Voltage
Max
Conditions
V
CC
e
Min I
I
e b
12 mA
V
CC
e
Min I
OH
e
Max
V
IL
e
Max V
IH
e
Min
V
CC
e
Min I
OL
e
Max
V
IH
e
Min V
IL
e
Max
V
CC
e
Max V
I
e
5 5V
V
CC
e
Max V
I
e
2 4V
V
CC
e
Max V
I
e
0 4V
V
CC
e
Max
(Note 2)
V
CC
e
Max (Note 3)
DM54
DM74
b
20
b
18
Min
Typ
(Note 1)
Max
b
1 5
Units
V
V
24
04
1
40
b
1 6
b
57
b
57
V
mA
mA
mA
mA
mA
High Level Input Current
Low Level Input Current
Short Circuit
Output Current
Supply Current
I
CC
30
45
’175 Switching Characteristics
at V
CC
e
5V and T
A
e
25 C (See Section 1 for Test Waveforms and Output Load)
Symbol
f
MAX
t
PLH
t
PHL
t
PLH
t
PHL
Parameter
Maximum Clock
Frequency
Propagation Delay Time
Low to High Level Output
Propagation Delay Time
High to Low Level Output
Propagation Delay Time
Low to High Level Output
Propagation Delay Time
High to Low Level Output
Clock to
Any Q or Q
Clock to
Any Q or Q
Clear to
Any Q
Clear to
Any Q
From (Input)
To (Output)
R
L
e
400X C
L
e
15 pF
Min
30
25
25
25
40
Max
MHz
ns
ns
ns
ns
Units
Note 1
All typicals are at V
CC
e
5V T
A
e
25 C
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
CC
is measured after a momentary ground then 4 5V applied to the CLOCK
4
NSC [ NATIONAL SEMICONDUCTOR ]
