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DM54LS139E Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. DM54LS139E
Description  Decoders/Demultiplexers
Download  8 Pages
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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DM54LS139E Datasheet(HTML) 4 Page - National Semiconductor (TI)

   
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’LS139 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 VI e 7V
01
mA
Input Voltage
IIH
High Level Input Current
VCC e Max VI e 27V
20
m
A
IIL
Low Level Input Current
VCC e Max VI e 04V
b
036
mA
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)
68
11
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 all outputs enabled and open
’LS139 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
Select to
18
27
ns
Low to High Level Output
Output
tPHL
Propagation Delay Time
Select to
27
40
ns
High to Low Level Output
Output
tPLH
Propagation Delay Time
Enable to
18
27
ns
Low to High Level Output
Output
tPHL
Propagation Delay Time
Enable to
24
40
ns
High to Low Level Output
Output
Function Tables
LS138
Inputs
Outputs
Enable
Select
G1 G2
C B AYOY1Y2Y3Y4Y5Y6Y7
X
H
X
X
X
H
H
HHHHHH
L
X
X
X
X
H
H
HHHHHH
H
L
L
L
L
L
H
HHHHHH
H
L
L
L
H
H
L
H
HHHHH
H
L
L
H
L
H
H
L
H
HHHH
H
L
L
H H
H
HH
L
H
HHH
H
L
H
L
L
H
HHH
L
HHH
H
L
H
L
H
H
H
HHH
L
HH
H
L
H H
L
H
HHHHH
L
H
H
L
H H H
H
H
HHHHH
L
G2 e G2A a G2B
H e High Level L e Low Level X e Don’t Care
LS139
Inputs
Outputs
Enable
Select
G
B
AY0Y1Y2Y3
H
X
X
HHHH
L
L
L
L
HHH
L
L
H
HLH
H
L
H
L
H
HLH
L
H
H
HHH
L
H e High Level L e Low Level X e Don’t Care
4


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