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參數(shù)資料
| 型號(hào)： | 74VHC157SJX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 通用總線功能 |
| 英文描述： | Quad 2-Input Multiplexer |
| 中文描述： | AHC/VHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16 |
| 封裝： | 5.30 MM, EIAJ TYPE2, SOP-16 |
| 文件頁(yè)數(shù)： | 3/7頁(yè) |
| 文件大?。?/td> | 70K |
| 代理商： | 74VHC157SJX |
3
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7
Absolute Maximum Ratings
(Note 1)
Recommended Operating
Conditions
(Note 2)
Note 1:
Absolute Maximum Ratings are values beyond which the device
may be damaged or have its useful life impaired. The databook specifica-
tions should be met, without exception, to ensure that the system design is
reliable over its power supply, temperature, and output/input loading vari-
ables. Fairchild does not recommend operation outside databook specifica-
tions.
Note 2:
Unused inputs must be held HIGH or LOW. They may not float.
DC Electrical Characteristics
Noise Characteristics
Note 3:
Parameter guaranteed by design.
Supply Voltage (V
CC
)
DC Input Voltage (V
IN
)
DC Output Voltage (V
OUT
)
Input Diode Current (I
IK
)
Output Diode Current (I
OK
)
DC Output Current (I
OUT
)
DC V
CC
/GND Current (I
CC
)
Storage Temperature (T
STG
)
Lead Temperature (T
L
)
(Soldering, 10 seconds)
0.5V to
+
7.0V
0.5V to
+
7.0V
0.5V to V
CC
+
0.5V
20 mA
±
20 mA
±
25 mA
±
50 mA
65
°
C to
+
150
°
C
260
°
C
Supply Voltage (V
CC
)
Input Voltage (V
IN
)
Output Voltage (V
OUT
)
Operating Temperature (T
OPR
)
Input Rise and Fall Time (t
r
, t
f
)
V
CC
=
3.3V
±
0.3V
V
CC
=
5.0V
±
0.5V
2.0V to
+
5.5V
0V to
+
5.5V
0V to V
CC
40
°
C to
+
85
°
C
0
～
100 ns/V
0
～
20 ns/V
Symbol
Parameter
V
CC
(V)
T
A
=
25
°
C
Typ
T
A
=
40
°
C to
+
85
°
C
Min
1.50
Units
Conditions
Min
1.50
Max
Max
V
IH
HIGH Level
2.0
V
Input Voltage
LOW Level
Input Voltage
3.0
5.5
2.0
3.0
5.5
2.0
3.0
4.5
0.7 V
CC
0.7 V
CC
V
IL
0.50
0.3 V
CC
0.50
0.3 V
CC
V
V
OH
HIGH Level
Output Voltage
1.9
2.9
4.4
2.0
3.0
4.5
1.9
2.9
4.4
V
IN
=
V
IH
I
OH
=
50
μ
A
or V
IL
V
3.0
4.5
2.0
2.58
3.94
2.48
3.80
V
I
OH
=
4 mA
I
OH
=
8 mA
V
OL
LOW Level
0.0
0.1
0.1
V
IN
=
V
IH
I
OL
=
50
μ
A
or V
IL
Output Voltage
3.0
4.5
3.0
0.0
0.0
0.1
0.1
0.36
0.1
0.1
0.44
V
V
I
OL
=
4 mA
I
OL
=
8 mA
4.5
0.36
±
0.1
4.0
0.44
±
1.0
40.0
I
IN
I
CC
Input Leakage Current
Quiescent Supply Current
0
5.5
5.5
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
Units
Conditions
Limits
0.8
V
OLP
(Note 3)
V
OLV
(Note 3)
V
IHD
(Note 3)
Quiet Output Maximum
Dynamic V
OL
Quiet Output Minimum
5.0
V
C
L
=
50 pF
5.0
0.3
0.8
V
C
L
=
50 pF
Dynamic V
OL
Minimum HIGH Level
Dynamic Input Voltage
5.0
3.5
V
C
L
=
50 pF
V
ILD
(Note 3)
Maximum LOW Level
Dynamic Input Voltage
5.0
1.5
V
C
L
=
50 pF
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