’174 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
From (Input)
To (Output)
L
Symbol
Parameter
Units
Min
f
t
t
t
Maximum Clock
Frequency
MAX
PLH
PHL
PHL
30
MHz
ns
Propagation Delay Time
Low to High Level Output
Clock to
Any Q
25
25
40
Propagation Delay Time
High to Low Level Output
Clock to
Any Q
ns
Propagation Delay Time
High to Low Level Output
Clear to
Any Q
ns
Recommended Operating Conditions
DM54175
DM74175
Symbol
Parameter
Units
Min
4.5
2
Nom
Max
Min
4.75
2
Nom
Max
V
V
V
Supply Voltage
5
5.5
5
5.25
V
V
CC
High Level Input Voltage
Low Level Input Voltage
High Level Output Current
Low Level Output Current
Clock Frequency (Note 1)
IH
0.8
0.8
V
IL
b
b
I
I
0.8
0.8
16
30
mA
mA
MHz
OH
OL
16
30
f
0
0
CLK
W
t
Pulse Width
(Note 1)
Clock Low
25
10
20
20
0
25
10
20
20
0
Clock High
Clear
ns
t
t
t
Data Setup Time (Note 1)
Data Hold Time (Note 1)
ns
ns
ns
SU
H
Clear Release Time (Note 1)
Free Air Operating Temperature
30
30
0
REL
b
T
A
55
125
70
C
§
e
e
5V.
Note 1: T
25 C and V
§
A
CC
3
NSC [ National Semiconductor ]
