74LS373

Manufacturer Part Number74LS373
Description3-STATE Octal D-Type Transparent Latches and Edge-Triggered Flip-Flops 74LS373Octal D-type Transparent Latches(with three-state outputs) 74LS373OCTAL D-TYPE TRANSPARENT LATCHES AND EDGE-TRIGGERED FLIP-FLOPS 74LS373OCTAL TRANSPARENT LAT
ManufacturerNational Semiconductor
74LS373 datasheet
 


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’LS374 Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
V
Input Clamp Voltage
V
I
V
High Level Output Voltage
V
OH
I
OH
V
V
V
Low Level Output Voltage
V
OL
I
OL
V
V
I
OL
V
I
Input Current
Max
V
I
Input Voltage
I
High Level Input Current
V
IH
I
Low Level Input Current
V
IL
I
Off-State Output
V
OZH
Current with High
V
Level Output
Voltage Applied
I
Off-State Output
V
OZL
Current with Low
V
Level Output
Voltage Applied
I
Short Circuit
V
OS
Output Current
(Note 2)
I
Supply Current
V
CC
’LS374 Switching Characteristics
(See Section 1 for Test Waveforms and Output Load)
Symbol
Parameter
f
Maximum Clock Frequency
MAX
t
Propagation Delay Time
PLH
Low to High Level Output
t
Propagation Delay Time
PHL
High to Low Level Output
t
Output Enable Time
PZH
to High Level Output
t
Output Enable Time
PZL
to Low Level Output
t
Output Disable Time
PHZ
from High Level Output (Note 3)
t
Output Disable Time
PLZ
from Low Level Output (Note 3)
Note 1 All typicals are at V
5V T
25 C
e
e
CC
A
Note 2 Not more than one output should be shorted at a time and the duration should not exceed one second
Note 3 C
5 pF
e
L
Conditions
Min I
18 mA
e
e b
CC
I
Min
DM54
e
CC
Max
e
DM74
Max
e
IL
Min
e
IH
Min
DM54
e
CC
Max
e
DM74
Max
e
IL
Min
e
IH
12 mA
DM74
e
Min
e
CC
Max V
7V
e
e
CC
I
Max V
2 7V
e
e
CC
I
Max V
0 4V
e
e
CC
I
Max V
2 7V
e
e
CC
O
Min V
Max
e
e
IH
IL
Max V
0 4V
e
e
CC
O
Min V
Max
e
e
IH
IL
Max
DM54
e
CC
DM74
Max D
GND OC
4 5V
e
e
e
CC
n
at V
5V and T
25 C
e
e
CC
A
R
e
L
C
45 pF
e
L
Min
Max
35
28
28
28
28
20
25
5
Typ
Min
Max
Units
(Note 1)
1 5
V
b
2 4
3 4
2 4
3 1
V
0 25
0 4
0 35
0 5
V
0 25
0 4
0 1
mA
20
A
0 4
mA
b
20
A
20
A
b
50
225
b
b
mA
50
225
b
b
27
45
mA
667
C
150 pF
Units
e
L
Min
Max
20
MHz
32
ns
38
ns
44
ns
44
ns
ns
ns