參數(shù)資料
型號(hào)： 74VHC157
廠商： Fairchild Semiconductor Corporation
英文描述： Quadruple 2-Input Positive-NAND Gates 14-TSSOP -40 to 85
中文描述： 四2輸入多路復(fù)用器
文件頁數(shù)： 3/7頁
文件大?。?/td> 70K
代理商： 74VHC157
3
www.fairchildsemi.com
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74VHC157_04 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:QUAD 2 CHANNEL MULTIPLEXER
74VHC157_07 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Quad 2-Input Multiplexer
74VHC157M 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Qd 2-Inp Multiplexer RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
74VHC157M_Q 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Qd 2-Inp Multiplexer RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
74VHC157MTC 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Qd 2-Inp Multiplexer RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
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