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參數資料
| 型號： | 74LVC244ATTR |
| 廠商： | 意法半導體 |
| 英文描述： | LOW VOLTAGE CMOS QUAD BUS BUFFERS (3-STATE) HIGH PERFORMANCE |
| 中文描述： | 低電壓CMOS四總線緩沖器（三態）高性能 |
| 文件頁數： | 3/9頁 |
| 文件大小： | 180K |
| 代理商： | 74LVC244ATTR |
74LVC244A
3/9
RECOMMENDED OPERATING CONDITIONS
1) Truth Table guaranteed: 1.2V to 3.6V
2) V
IN
from 0.8V to 2V at V
CC
= 3.0V
DC SPECIFICATIONS
Symbol
Parameter
Value
Unit
V
CC
V
I
V
O
V
O
I
OH
, I
OL
I
OH
, I
OL
I
OH
, I
OL
I
OH
, I
OL
T
op
dt/dv
Supply Voltage (note 1)
Input Voltage
Output Voltage (High Impedance or V
CC
= 0V)
Output Voltage (High or Low State)
High or Low Level Output Current (V
CC
= 3.0 to 3.6V)
High or Low Level Output Current (V
CC
= 2.7 to 3.0V)
High or Low Level Output Current (V
CC
= 2.3 to 2.7V)
High or Low Level Output Current (V
CC
= 1.65 to 2.3V)
Operating Temperature
Input Rise and Fall Time (note 2)
1.65 to 3.6
0 to 5.5
0 to 5.5
0 to V
CC
±
24
±
12
±
8
±
4
-55 to 125
0 to 10
V
V
V
V
mA
mA
mA
mA
°C
ns/V
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
-40 to 85 °C
-55 to 125 °C
Min.
Max.
Min.
Max.
V
IH
High Level Input
Voltage
1.65 to 1.95
2.3 to 2.7
2.7 to 3.6
1.65 to 1.95
2.3 to 2.7
2.7 to 3.6
1.65 to 3.6
1.65
2.3
2.7
3.0
3.0
1.65 to 3.6
1.65
2.3
2.7
3.0
0.65V
CC
1.7
2
0.65V
CC
1.7
2
V
V
IL
Low Level Input
Voltage
0.35V
CC
0.7
0.8
0.35V
CC
0.7
0.8
V
V
OH
High Level Output
Voltage
I
O
=-100
μ
A
I
O
=-4 mA
I
O
=-8 mA
I
O
=-12 mA
I
O
=-18 mA
I
O
=-24 mA
I
O
=100
μ
A
I
O
=4 mA
I
O
=8 mA
I
O
=12 mA
I
O
=24 mA
V
CC
-0.2
1.2
1.7
2.2
2.4
2.2
V
CC
-0.2
1.2
1.7
2.2
2.4
2.2
V
V
OL
Low Level Output
Voltage
0.2
0.45
0.7
0.4
0.55
0.2
0.45
0.7
0.4
0.55
V
I
I
Input Leakage
Current
Power Off Leakage
Current
High Impedance
Output Leakage
Current
Quiescent Supply
Current
3.6
V
I
= 0 to 5.5V
±
5
±
5
μ
A
I
off
0
V
I
or V
O
= 5.5V
10
10
μ
A
I
OZ
3.6
V
I
= V
IH
orV
IL
V
O
= 0 to 5.5V
±
5
±
5
μ
A
I
CC
3.6
V
I
= V
CC
or GND
V
I
or V
O
= 3.6 to
5.5V
V
IH
= V
CC
-0.6V
10
10
μ
A
±
10
±
10
I
CC
I
CC
incr. per Input
2.7 to 3.6
500
500
μ
A
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