參數(shù)資料
型號： 74LVX240T
英文描述： Dual 4-Bit Inverting Buffer/Driver
中文描述： 雙4位反向緩沖器/驅(qū)動器
文件頁數(shù)： 2/5頁
文件大小： 62K
代理商： 74LVX240T
www.fairchildsemi.com
2
7
Absolute Maximum Ratings
(Note 1)
Recommended Operating
Conditions
(Note 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 Operarting Conditions” table will define the conditions
for actual device operation.
Note 2:
Unused inputs must be held HIGH or LOW They may not float.
DC Electrical Characteristics
Noise Characteristics
(Note 3)
Note 3:
Input t
r
=
t
f
=
3ns
Supply Voltage (V
CC
)
DC Input Diode Current (I
IK
)
V
I
=
0.5V
DC Input Voltage (V
I
)
DC Output Diode Current (I
OK
)
V
O
=
0.5V
V
O
=
V
CC
+
0.5V
DC Output Voltage (V
O
)
DC Output Source
or Sink Current (I
O
)
DC V
CC
or Ground Current
(I
CC
or I
GND
)
Storage Temperature (T
STG
)
Power Dissipation
0.5V to
+
7.0V
20 mA
0.5V to 7V
20 mA
+
20 mA
0.5V to V
CC
+
0.5V
±
25 mA
±
50 mA
65
°
C to
+
150
°
C
180 mW
Supply Voltage (V
CC
)
Input Voltage (V
I
)
Output Voltage (V
O
)
Operating Temperature (T
A
)
Input Rise and Fall Time (
t/
V)
2.0V to 3.6V
0V to 5.5V
0V to V
CC
40
°
C to
+
85
°
C
0 ns/V to 100 ns/V
Symbol
Parameter
V
CC
T
A
=
+
25
°
C
Typ
T
A
=
40
°
C to
+
85
°
C
Min
1.5
2.0
2.4
Units
Conditions
Min
1.5
2.0
2.4
Max
Max
V
IH
HIGH Level Input
Voltage
2.0
3.0
3.6
V
V
IL
LOW Level Input
Voltage
2.0
3.0
3.6
0.5
0.8
0.8
0.5
0.8
0.8
V
V
OH
HIGH Level Output
Voltage
2.0
3.0
3.0
1.9
2.9
2.58
2.0
3.0
1.9
2.9
2.48
V
IN
=
V
IL
or V
IH
I
OH
=
50
μ
A
V
I
OH
=
50
μ
A
I
OH
=
4 mA
V
OL
LOW Level Output
Voltage
2.0
3.0
3.0
0.0
0.0
0.1
0.1
0.36
±
0.1
2.0
0.1
0.1
0.44
±
1.0
20.0
V
IN
=
V
IL
or V
IH
I
OL
=
50
μ
A
V
I
OL
=
50
μ
A
I
OL
=
4 mA
I
IN
I
CC
Input Leakage Current
Quiescent Supply Current
3.6
3.6
μ
A
μ
A
V
IN
=
5.5V or GND
V
IN
=
V
CC
or GND
Symbol
Parameter
V
CC
(V)
T
A
=
25
°
C
Typ
0.3
0.3
Units
C
L
(pF)
Limit
0.5
0.5
2.0
0.8
V
OLP
V
OLV
V
IHD
V
ILD
Quiet Output Maximum Dynamic V
OL
Quiet Output Minimum Dynamic V
OL
Minimum HIGH Level Dynamic Input Voltage
Maximum LOW Level Dynamic Input Voltage
3.3
V
50
3.3
3.3
3.3
V
V
V
50
50
50
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