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54LS158W Arkusz danych(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Numer części 54LS158W
Szczegółowy opis  Quad 2-Line to 1-Line Data Selectors/Multiplexers
Download  8 Pages
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Producent  NSC [National Semiconductor (TI)]
Strona internetowa  http://www.national.com
Logo NSC - National Semiconductor (TI)

54LS158W Arkusz danych(HTML) 3 Page - National Semiconductor (TI)

  54LS158W Datasheet HTML 1Page - National Semiconductor (TI) 54LS158W Datasheet HTML 2Page - National Semiconductor (TI) 54LS158W Datasheet HTML 3Page - National Semiconductor (TI) 54LS158W Datasheet HTML 4Page - National Semiconductor (TI) 54LS158W Datasheet HTML 5Page - National Semiconductor (TI) 54LS158W Datasheet HTML 6Page - National Semiconductor (TI) 54LS158W Datasheet HTML 7Page - National Semiconductor (TI) 54LS158W Datasheet HTML 8Page - National Semiconductor (TI)  
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’LS157 Switching Characteristics
at VCC e 5V and TA e 25 C (See Section 1 for Test Waveforms and Output Load)
From (Input)
RL e 2kX
Symbol
Parameter
To (Output)
CL e 15 pF
CL e 50 pF
Units
Min
Max
Min
Max
tPLH
Propagation Delay Time
Data
14
18
ns
Low to High Level Output
to Y
tPHL
Propagation Delay Time
Data
14
23
ns
High to Low Level Output
to Y
tPLH
Propagation Delay Time
Strobe
20
24
ns
Low to High Level Output
to Y
tPHL
Propagation Delay Time
Strobe
21
30
ns
High to Low Level Output
to Y
tPLH
Propagation Delay Time
Select
23
28
ns
Low to High Level Output
to Y
tPHL
Propagation Delay Time
Select
27
32
ns
High to Low Level Output
to Y
Recommended Operating Conditions
Symbol
Parameter
DM54LS158
DM74LS158
Units
Min
Nom
Max
Min
Nom
Max
VCC
Supply Voltage
45
5
55
475
5
525
V
VIH
High Level Input Voltage
2
2
V
VIL
Low Level Input Voltage
07
08
V
IOH
High Level Output Current
b
04
b
04
mA
IOL
Low Level Output Current
4
8
mA
TA
Free Air Operating Temperature
b
55
125
0
70
C
’LS158 Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 1)
VI
Input Clamp Voltage
VCC e Min II eb18 mA
b
15
V
VOH
High Level Output
VCC e Min IOH e Max
DM54
25
34
V
Voltage
VIL e Max VIH e Min
DM74
27
34
VOL
Low Level Output
VCC e Min IOL e Max
DM54
025
04
Voltage
VIL e Max VIH e Min
DM74
035
05
V
IOL e 4 mA VCC e Min
DM74
025
04
II
Input Current
Max
VCC e Max
S or G
02
mA
Input Voltage
VI e 7V
AorB
0 1
IIH
High Level Input
VCC e Max
S or G
40
m
A
Current
VI e 27V
AorB
20
IIL
Low Level Input
VCC e Max
SorG
b
08
mA
Current
VI e 04V
AorB
b
04
IOS
Short Circuit
VCC e Max
DM54
b
20
b
100
mA
Output Current
(Note 2)
DM74
b
20
b
100
ICC
Supply Current
VCC e Max (Note 3)
48
8
mA
Note 1
All typicals are at VCC e 5V TA e 25 C
Note 2
Not more than one output should be shorted at a time and the duration should not exceed one second
Note 3
ICC is measured with 45V applied to all inputs and all outputs open
3


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