參數(shù)資料
型號： FSTU32X800
廠商： Fairchild Semiconductor Corporation
英文描述： 20-Bit Bus Switch with Precharged Outputs and -2V Undershoot Protection
中文描述： 20位總線開關(guān)預(yù)充電輸出和- 2V的下沖保護(hù)
文件頁數(shù)： 3/5頁
文件大小： 192K
代理商： FSTU32X800
3
www.fairchildsemi.com
F
Absolute Maximum Ratings
(Note 1)
Recommended Operating
Conditions
(Note 3)
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 tables will define the conditions
for actual device operation.
Note 2:
The input and output negative voltage ratings may be exceeded if
the input and output diode current ratings are observed.
Note 3:
Unused control inputs must be held HIGH or LOW. They may not
float.
DC Electrical Characteristics
Note 4:
Typical values are at V
CC
=
5.0V and T
A
=
+
25
°
C
Note 5:
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.
Note 6:
Per V
CC
pin.
Note 7:
Per TTL driven inputs, control pins only.
Supply Voltage (V
CC
)
DC Switch Voltage (V
S
)
Bias V Voltage Range
DC Input Voltage (V
IN
) (Note 2)
DC Input Diode Current (l
IK
) V
IN
<
0V
DC Output (I
OUT
) Sink Current
DC V
CC
/GND Current (I
CC
/I
GND
)
Storage Temperature Range (T
STG
)
0.5V to
+
7.0V
2.0V 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
)
Precharge Supply (BiasV)
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
1.5V to V
CC
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
Units
Conditions
Min
Typ
(Note 4)
Max
V
IK
Clamp Diode Voltage
4.5
1.2
V
I
IN
=
18 mA
V
IH
HIGH Level Input Voltage
4.0 - 5.5
2.0
V
V
IL
LOW Level Input Voltage
4.0 - 5.5
0.8
V
I
I
Input Leakage Current
5.5
±
1.0
μ
A
0
≤
V
IN
≤
5.5V
I
O
Output Current
4.5
0.25
mA
BiasV
=
2.4V, B
=
0
I
OZ
OFF-STATE Leakage Current
5.5
±
1.0
μ
A
0
≤
A
≤
V
CC
, V
IN
=
V
IH
R
ON
Switch On Resistance
4.5
4.0
7.0
V
S
=
0V, I
IN
=
64 mA
(Note 5)
4.5
4.0
7.0
V
S
=
0V, I
IN
=
30 mA
4.5
8.0
15.0
V
S
=
2.4V, I
IN
=
15 mA
4.0
11.0
20.0
V
S
=
2.4V, I
IN
=
15 mA
I
CC
Quiescent Supply Current (Note 6)
5.5
3.0
μ
A
V
S
=
V
CC
or GND, I
OUT
=
0
I
CC
Increase in I
CC
per Input
5.5
2.5
mA
OE Input at 3.4V
(Note 7)
Other Inputs at V
CC
or GND
I
BIAS
Bias Pin Leakage Current
5.5
±
1.0
μ
A
OE
=
0V, B
=
0V, BiasV
=
5.5V
I
OZU
Switch Undershoot Current
5.5
100.0
μ
A
I
IN
=
20 mA, OE
=
5.5V, V
OUT
≥
V
IH
V
IKU
Voltage Undershoot
5.5
2.0
V
0.0 mA
≥
I
IN
≥
50 mA, OE
=
5.5V
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