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參數(shù)資料
| 型號： | DM74157 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Quad 2-line to 1-line data selectors/multiplexer |
| 中文描述： | 四2線1線數(shù)據(jù)選擇器/復用器 |
| 文件頁數(shù)： | 2/3頁 |
| 文件大?。?/td> | 39K |
| 代理商： | DM74157 |
www.fairchildsemi.com
2
D
Absolute Maximum Ratings
(Note 1)
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” table will define the conditions
for actual device operation.
Recommended Operating Conditions
Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Note 2:
All typicals are at V
CC
=
5V, T
A
=
25
°
C.
Note 3:
Not more than one output should be shorted at a time.
Note 4:
I
CC
is measured with 4.5V applied to all inputs and all outputs OPEN.
Switching Characteristics
at V
CC
=
5V and T
A
=
25
°
C
Supply Voltage
Input Voltage
Operating Free Air Temperature Range
Storage Temperature Range
7V
5.5V
0
°
C to
+
70
°
C
65
°
C to
+
150
°
C
Symbol
V
CC
V
IH
V
IL
I
OH
I
OL
T
A
Parameter
Min
4.75
2
Nom
5
Max
5.25
Units
V
V
V
mA
mA
°
C
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
LOW Level Output Current
Free Air Operating Temperature
0.8
0.8
16
70
0
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 2)
V
I
V
OH
Input Clamp Voltage
HIGH Level
V
CC
=
Min, I
I
=
12 mA
V
CC
=
Min, I
OH
=
Max
V
IL
=
Max, V
IH
=
Min
V
CC
=
Min, I
OL
=
Max
V
IH
=
Min, V
IL
=
Max
V
CC
=
Max, V
I
=
5.5V
V
CC
=
Max, V
I
=
2.4V
V
CC
=
Max, V
I
=
0.4V
V
CC
=
Max (Note 3)
V
CC
=
Max (Note 4)
1.5
V
2.4
3.4
V
Output Voltage
LOW Level
Output Voltage
V
OL
0.4
V
I
I
I
IH
I
IL
I
OS
I
CC
Input Current @ Max Input Voltage
HIGH Level Input Current
LOW Level Input Current
1
mA
μ
A
mA
40
1.6
55
48
Short Circuit Output Current
Supply Current
18
mA
mA
30
Symbol
Parameter
From (Input)
R
L
=
400
, C
L
=
15 pF
Min
Units
To (Output)
Max
t
PLH
Propagation Delay Time
Data to Y
14
ns
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
t
PHL
Data to Y
14
ns
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
Strobe to Y
20
ns
t
PHL
Strobe to Y
21
ns
HIGH-to-LOW Level Output
Propagation Delay Time
LOW-to-HIGH Level Output
t
PLH
Select to Y
23
ns
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Select to Y
27
ns
相關PDF資料 |
PDF描述 |
|---|---|
| DM74157N | Quad 2-line 1-line data selecors/multiplexer |
| DM74164 | 8-Bit Serial In/Parallel Out Shift Registers |
| DM7416 | hex inverting buffers with high voltage open-collector outputs |
| DM7417 | Hex Buffers with High Voltage Open-Collector Outputs |
| DM7417M | Hex Buffers with High Voltage Open-Collector Outputs |
相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DM74157J/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2-Input Digital Multiplexer |
| DM74157N | 功能描述:編碼器、解碼器、復用器和解復用器 Data Selec/Multiplex 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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| DM74157N/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2-Input Digital Multiplexer |
| DM74157N/B+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2-Input Digital Multiplexer |
| DM7416 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Hex Inverting Buffers with High Voltage Open-Collector Outputs |
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