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參數(shù)資料
| 型號： | DM74S158N |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Quad 1 of 2 Line Data Selector/Multiplexer |
| 中文描述： | S SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, MS-001, DIP-16 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大?。?/td> | 53K |
| 代理商： | DM74S158N |
3
www.fairchildsemi.com
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.
DM74157 Recommended Operating Conditions
DM74S157 Electrical Characteristics
over recommended operating free air temperature (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, and the duration should not exceed one second.
Note 4:
I
CC
is measured 4.5V applied to all inputs and all outputs OPEN.
DM74S157 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
Parameter
Min
4.75
2
Nom
5
Max
5.25
Units
V
V
V
mA
mA
°
C
V
CC
V
IH
V
IL
I
OH
I
OL
T
A
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
LOW Level Output Current
Free Air Operating Temperature
0.8
1
20
70
0
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 2)
V
I
V
OH
Input Clamp Voltage
HIGH Level
Output Voltage
V
CC
=
Min, I
I
=
18 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
1.2
V
2.7
3.4
V
V
OL
LOW Level
Output Voltage
Input Current @ Max Input Voltage V
CC
=
Max, V
I
=
5.5V
HIGH Level
Input Current
0.5
V
I
I
I
IH
1
mA
V
CC
=
Max
V
I
=
2.7V
V
CC
=
Max
V
I
=
0.5V
V
CC
=
Max (Note 3)
V
CC
=
Max (Note 4)
S or G
A or B
100
50
4
2
100
78
μ
A
I
IL
HIGH Level
Input Current
Short Circuit Output Current
S or G
A or B
mA
I
OS
I
CC
40
mA
Supply Current
50
mA
R
L
=
280
Symbol
Parameter
From (Input)
C
L
=
15 pF
Min
C
L
=
50 pF
Min
Units
To (Output)
Max
Max
t
PLH
Propagation Delay Time
Data to Y
7.5
10
ns
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
t
PHL
Data to Y
6.5
10
ns
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
Strobe to Y
12.5
15
ns
t
PHL
Strobe to Y
12
15
ns
HIGH-to-LOW Level Output
Propagation Delay Time
LOW-to-HIGH Level Output
t
PLH
Select to Y
15
17
ns
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Select to Y
15
17
ns
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