74LS244 Fairchild Semiconductor, 74LS244 Datasheet - Page 2

• Manufacturer Part Number: 74LS244
• Description: Octal 3-STATE Buffer/Line Driver/Line Receiver
• Manufacturer: Fairchild Semiconductor

www.fairchildsemi.com
V
HYS
V
V
I
I
I
I
I
I
I
V
V
V
I
I
T
OZH
OZL
I
IH
IL
OS
CC
Absolute Maximum Ratings
Recommended Operating Conditions
OH
OL
Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Note 2: All typicals are at V
Note 3: Not more than one output should be shorted at a time, and the duration should not exceed one second.
I
OH
OL
Symbol
A
CC
IH
IL
Supply Voltage
Input Voltage
Operating Free Air Temperature Range
Storage Temperature Range
Symbol
Input Clamp Voltage
Hysteresis (V
Data Inputs Only
HIGH Level Output Voltage
LOW Level Output Voltage
Off-State Output Current,
HIGH Level Voltage Applied
Off-State Output Current,
LOW Level Voltage Applied
Input Current at Maximum
Input Voltage
HIGH Level Input Current
LOW Level Input Current
Short Circuit Output Current
Supply Current
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
LOW Level Output Current
Free Air Operating Temperature
CC
T
Parameter
5V, T
V
T
)
A
Parameter
25 C.
65 C to 150 C
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
Outputs Open
CC
CC
CC
IL
CC
IL
CC
IL
CC
IL
IH
CC
IL
IH
CC
CC
CC
CC
CC
0 C to 70 C
(Note 1)
Max, I
Max, I
0.5V, I
Max
Max
Min
Min
Min, I
Min
Min, V
Min, V
Min, V
Min
Max
Max
Max
Max
Max (Note 3)
Max,
OH
OH
OH
I
IH
IH
IH
7V
7V
18 mA
Conditions
Max
Min
Min
Min
1 mA
3 mA
2
Note 1: The “Absolute Maximum Ratings” are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
4.75
Min
2
0
I
I
V
V
V
V
Outputs HIGH
Outputs LOW
Outputs Disabled
OL
OL
V
O
O
I
I
I
7V
2.7V
0.4V
2.7V
0.4V
12 mA
Max
Nom
5
Min
0.2
2.7
2.4
0.5
2
40
(Note 2)
Typ
0.4
3.4
27
13
32
Max
5.25
0.8
24
70
15
Max
0.4
0.5
0.1
46
54
20
20
200
225
23
1.5
20
Units
mA
mA
V
V
V
C
Units
mA
mA
mA
V
V
V
V
A
A
A
A