參數(shù)資料
型號: DM74LS158MX
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 通用總線功能
英文描述: 2-Input Digital Multiplexer
中文描述: LS SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, PDSO16
封裝: 0.150 INCH, MS-012, SOIC-16
文件頁數(shù): 4/7頁
文件大?。?/td> 79K
代理商: DM74LS158MX
www.fairchildsemi.com
4
D
DM74LS158 Recommended Operating Conditions
DM74LS158 Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Note 5:
All typicals are at V
CC
=
5V, T
A
=
25
°
C.
Note 6:
Not more than one output should be shorted at a time, and the duration should not exceed one second.
Note 7:
I
CC
is measured with 4.5V applied to all inputs and all outputs OPEN.
DM74LS158 Switching Characteristics
at V
CC
=
5V and T
A
=
25
°
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
0.4
8
70
0
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 5)
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
IL
=
Max, V
IH
=
Min
I
OL
=
4 mA, V
CC
=
Min
V
CC
=
Max
V
I
=
7V
V
CC
=
Max
V
I
=
2.7V
V
CC
=
Max
V
I
=
0.4V
V
CC
=
Max (Note 6)
V
CC
=
Max (Note 7)
1.5
V
2.7
3.4
V
V
OL
LOW Level
Output Voltage
0.35
0.5
V
0.25
0.4
I
I
Input Current @ Max
Input Voltage
HIGH Level
S or G
A or B
S or G
0.2
0.1
40
mA
I
IH
μ
A
Input Current
LOW Level
Input Current
A or B
S or G
A or B
20
0.8
0.4
100
8
I
IL
mA
I
OS
I
CC
Short Circuit Output Current
Supply Current
20
mA
mA
4.8
From (Input)
R
L
=
2 k
Symbol
Parameter
To (Output)
C
L
=
15 pF
Min
C
L
=
50 pF
Min
Units
Max
Max
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
Data to Y
12
18
ns
t
PHL
Data to Y
12
21
ns
HIGH-to-LOW Level Output
Propagation Delay Time
LOW-to-HIGH Level Output
t
PLH
Strobe to Y
17
23
ns
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
Strobe to Y
18
28
ns
t
PLH
Select to Y
20
24
ns
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
t
PHL
Select to Y
24
36
ns
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