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參數(shù)資料
| 型號： | FST3244QSCX |
| 英文描述： | Bus Switch |
| 中文描述： | 總線開關(guān) |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 219K |
| 代理商： | FST3244QSCX |
www.fairchildsemi.com
4
F
Absolute Maximum Ratings
(Note 2)
Recommended Operating
Conditions
(Note 5)
Note 2:
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 rating.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
Note 3:
V
S
is the voltage observed/applied at either A or B Ports across the
switch.
Note 4:
The input and output negative voltage ratings may be exceeded if
the input and output diode current ratings are observed.
Note 5:
Unused control inputs must be held HIGH or LOW. They may not
float.
DC Electrical Characteristics
Note 6:
Typical values are at V
CC
=
5.0V and T
A
=
+
25
°
C
Note 7:
Measured by the voltage drop between A and B pins at the indicated current through the switch. On Resistance is determined by the lower of the
voltages on the two (A or B) pins.
Supply Voltage (V
CC
)
DC Switch Voltage (V
S
) (Note 3)
DC Input Control Pin Voltage (V
IN
)(Note 4)
DC Input Diode Current (l
IK
) V
IN
<
0V
DC Output (I
OUT
)
DC V
CC
/GND Current (I
CC
/I
GND
)
Storage Temperature Range (T
STG
)
0.5V to
+
7.0V
0.5V to
+
7.0V
0.5V to
+
7.0V
50 mA
128 mA
+
/
100 mA
65
°
C to
+
150
°
C
Power Supply Operating (V
CC)
Input Voltage (V
IN
)
Output Voltage (V
OUT
)
Input Rise and Fall Time (t
r
, t
f
)
Switch Control Input
Switch I/O
Free Air Operating Temperature (T
A
)
4.0V to 5.5V
0V to 5.5V
0V to 5.5V
0 ns/V to 5 ns/V
0 ns/V to DC
-40
°
C to
+
85
°
C
Symbol
Parameter
V
CC
(V)
T
A
=
40
°
C to
+
85
°
C
Min
Typ
(Note 6)
Units
Conditions
Max
V
IK
V
IH
V
IL
I
I
Clamp Diode Voltage
HIGH Level Input Voltage
4.5
1.2
V
V
I
IN
=
18 mA
4.0
–
5.5
2.0
LOW Level Input Voltage
Input Leakage Current
4.0
–
5.5
5.5
0
0.8
±
1.0
10
±
1.0
7
7
V
μ
A
μ
A
μ
A
μ
A
0
≤
V
IN
≤
5.5V
V
IN
=
5.5V
0
≤
A, B
≤
V
CC
V
IN
=
0V, I
IN
=
64 mA
V
IN
=
0V, I
IN
=
30 mA
V
IN
=
2.4V, I
IN
=
15 mA
V
IN
=
2.4V, I
IN
=
15 mA
OE
1
=
OE
2
=
GND
V
IN
=
V
CC
or GND, I
OUT
=
0
One Input at 3.4V
Other Inputs at V
CC
or GND
I
OZ
R
ON
OFF-STATE Leakage Current
Switch On Resistance
(Note 7)
5.5
4.5
4.5
4
4
4.5
4.0
5.5
8
11
12
20
3
I
CC
Quiescent Supply Current
I
CC
Increase in I
CC
per Input
5.5
2.5
mA
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