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
 


1
Page 1
2
Page 2
3
Page 3
4
Page 4
5
Page 5
6
Page 6
7
Page 7
8
Page 8
Page 3/8:

Absolute Maximum Ratings

Download datasheet (161Kb)Embed
PrevNext

Absolute Maximum Ratings

If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Supply Voltage
Input Voltage
Storage Temperature Range
b
Operating Free Air Temperature Range
DM54LS
b
DM74LS
Recommended Operating Conditions
Symbol
Parameter
V
Supply Voltage
CC
V
High Level Input Votage
IH
V
Low Level Input Voltage
IL
I
High Level Output Current
OH
I
Low Level Output Current
OL
t
Pulse Width
Enable High
W
(Note 2)
Enable Low
t
Data Setup Time (Notes 1
2)
SU
t
Data Hold Time (Notes 1
2)
H
T
Free Air Operating Temperature
A
Note 1 The symbol (
) indicates the falling edge of the clock pulse is used for reference
Note 2 T
25 C and V
5V
e
e
A
CC
’LS373 Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
V
Input Clamp Voltage
I
V
High Level Output Voltage
OH
V
Low Level Output Voltage
OL
I
Input Current
Max
I
Input Voltage
I
High Level Input Current
IH
I
Low Level Input Current
IL
I
Off-State Output Current
OZH
with High Level Output
Voltage Applied
I
Off-State Output Current
OZL
with Low Level Output
Voltage Applied
I
Short Circuit
OS
Output Current
I
Supply Current
CC
(See Note)
Note The ‘‘Absolute Maximum Ratings’’ are those values
beyond which the safety of the device cannot be guaran-
teed The device should not be operated at these limits The
parametric values defined in the ‘‘Electrical Characteristics’’
7V
table are not guaranteed at the absolute maximum ratings
7V
The ‘‘Recommended Operating Conditions’’ table will define
65 C to
150 C
a
the conditions for actual device operation
55 C to
125 C
a
0 C to
70 C
a
DM54LS373
Min
Nom
Max
4 5
5
5 5
2
0 7
1
b
12
15
15
5
20
55
125
b
Conditions
V
Min I
18 mA
e
e b
CC
I
V
Min
DM54
e
CC
I
Max
e
OH
V
Max
e
IL
DM74
V
Min
e
IH
V
Min
DM54
e
CC
I
Max
e
OL
V
Max
e
IL
DM74
V
Min
e
IH
I
12 mA
DM74
e
OL
V
Min
e
CC
V
Max V
7V
e
e
CC
I
V
Max V
2 7V
e
e
CC
I
V
Max V
0 4V
e
e
CC
I
V
Max V
2 7V
e
e
CC
O
V
Min V
Max
e
e
IH
IL
V
Max V
0 4V
e
e
CC
O
V
Min V
Max
e
e
IH
IL
V
Max
DM54
e
b
CC
(Note 2)
DM74
b
V
Max OC
4 5V
e
e
CC
D
Enable
GND
e
n
3
DM74LS373
Units
Min
Nom
Max
4 75
5
5 25
V
2
V
0 8
V
2 6
mA
b
24
mA
15
ns
15
5
ns
20
ns
0
70
C
Typ
Min
Max
Units
(Note 1)
1 5
V
b
2 4
3 4
V
2 4
3 1
0 25
0 4
0 35
0 5
V
0 4
0 1
mA
20
A
0 4
mA
b
20
A
20
A
b
20
100
b
mA
50
225
b
24
40
mA