Datasheet

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Recommended Operating Conditions
(1)
Electrical Characteristics
SN54LV138A, SN74LV138A
3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS
SCLS395L – APRIL 1998 – REVISED AUGUST 2005
SN54LV138A
(2)
SN74LV138A
UNIT
MIN MAX MIN MAX
V
CC
Supply voltage 2 5.5 2 5.5 V
V
CC
= 2 V 1.5 1.5
V
CC
= 2.3 V to 2.7 V V
CC
× 0.7 V
CC
× 0.7
V
IH
High-level input voltage V
V
CC
= 3 V to 3.6 V V
CC
× 0.7 V
CC
× 0.7
V
CC
= 4.5 V to 5.5 V V
CC
× 0.7 V
CC
× 0.7
V
CC
= 2 V 0.5 0.5
V
CC
= 2.3 V to 2.7 V V
CC
× 0.3 V
CC
× 0.3
V
IL
Low-level input voltage V
V
CC
= 3 V to 3.6 V V
CC
× 0.3 V
CC
× 0.3
V
CC
= 4.5 V to 5.5 V V
CC
× 0.3 V
CC
× 0.3
V
I
Input voltage 0 5.5 0 5.5 V
V
O
Output voltage 0 V
CC
0 V
CC
V
V
CC
= 2 V –50 –50 µ A
V
CC
= 2.3 V to 2.7 V –2 –2
I
OH
High-level output current
V
CC
= 3 V to 3.6 V –6 –6 mA
V
CC
= 4.5 V to 5.5 V –12 –12
V
CC
= 2 V 50 50 µ A
V
CC
= 2.3 V to 2.7 V 2 2
I
OL
Low-level output current
V
CC
= 3 V to 3.6 V 6 6 mA
V
CC
= 4.5 V to 5.5 V 12 12
V
CC
= 2.3 V to 2.7 V 200 200
∆ t/ ∆ v Input transition rise or fall rate V
CC
= 3 V to 3.6 V 100 100 ns/V
V
CC
= 4.5 V to 5.5 V 20 20
T
A
Operating free-air temperature –55 125 –40 85 ° C
(1) All unused inputs of the device must be held at V
CC
or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
(2) Product Preview
over recommended operating free-air temperature range (unless otherwise noted)
SN54LV138A
(1)
SN74LV138A
PARAMETER TEST CONDITIONS V
CC
UNIT
MIN TYP MAX MIN TYP MAX
I
OH
= –50 µ A 2 V to 5.5 V V
CC
– 0.1 V
CC
– 0.1
I
OH
= –2 mA 2.3 V 2 2
V
OH
V
I
OH
= –6 mA 3 V 2.48 2.48
I
OH
= –12 mA 4.5 V 3.8 3.8
I
OL
= 50 µ A 2 V to 5.5 V 0.1 0.1
I
OL
= 2 mA 2.3 V 0.4 0.4
V
OL
V
I
OL
= 6 mA 3 V 0.44 0.44
I
OL
= 12 mA 4.5 V 0.55 0.55
I
I
V
I
= 5.5 V or GND 0 to 5.5 V ± 1 ± 1 µ A
I
CC
V
I
= V
CC
or GND, I
O
= 0 5.5 V 20 20 µ A
I
off
V
I
or V
O
= 0 to 5.5 V 0 5 5 µ A
C
i
V
I
= V
CC
or GND 3.3 V 2.1 2.1 pF
(1) Product Preview
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