dm74ls374 National Semiconductor Corporation, dm74ls374 Datasheet - Page 4

• Manufacturer Part Number: dm74ls374
• Description: Tri-statee Octal D-type Transparent Latches And Edge-triggered Flip-flops
• Manufacturer: National Semiconductor Corporation

Symbol
V
V
V
I
I
t
t
t
T
‘LS373 Switching Characteristics
(See Section 1 for Test Waveforms and Output Load)
Note 1 All typicals are at V
Note 2 Not more than one output should be shorted at a time and the duration should not exceed one second
Note 3 C
Recommended Operating Conditions
Note 1 The symbol (
Note 4 T
OH
OL
W
SU
H
A
CC
IH
IL
Symbol
t
t
t
t
t
t
t
t
PLH
PHL
PLH
PHL
PZH
PZL
PHZ
PLZ
L
A
e
e
5 pF
25 C and V
Supply Voltage
High Level Input Voltage
Low Level Input Voltage
High Level Output Current
Low Level Output Current
Pulse Width
(Note 4)
Data Setup Time (Notes 1
Data Hold Time (Notes 1
Free Air Operating Temperature
u
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
Output Enable
Time to High
Level Output
Output Enable
Time to Low
Level Output
Output Disable
Time from High
Level Output (Note 3)
Output Disable
Time from Low
Level Output (Note 3)
) indicates the rising edge of the clock pulse is used for reference
CC
CC
e
Parameter
e
5V
5V T
Parameter
A
e
25 C
4)
4)
Clock High
Clock Low
(Output)
to Any Q
to Any Q
to Any Q
to Any Q
Control
Control
Control
Control
(Input)
Enable
Enable
Output
Output
Output
Output
From
Data
Data
To
to
Q
to
Q
to
Q
to
Q
at V
20
b
CC
Min
1
4 5
15
15
2
u
55
u
4
e
DM54LS374
5V and T
Min
C
Nom
L
5
e
A
45 pF
e
25 C
Max
Max
125
b
18
18
30
30
28
36
20
25
5 5
0 7
12
R
1
L
e
667X
20
4 75
Min
1
15
15
2
u
0
u
Min
C
DM74LS374
L
e
Nom
150 pF
5
Max
26
27
38
36
36
50
b
Max
5 25
0 8
24
70
2 6
Units
ns
ns
ns
ns
ns
ns
ns
ns
Units
mA
mA
ns
ns
ns
V
V
V
C