Datasheet

SN54LVC138A, SN74LVC138A
www.ti.com SCAS291V –MARCH 1993–REVISED JANUARY 2013
Electrical Characteristics
over recommended operating free-air temperature range (unless otherwise noted)
SN54LVC138A SN74LVC138A
PARAMETER TEST CONDITIONS V
CC
UNIT
MIN TYP
(1)
MAX MIN TYP
(1)
MAX
1.65 V to 3.6 V V
CC
– 0.2
I
OH
= –100 μA
2.7 V to 3.6 V V
CC
– 0.2
I
OH
= –4 mA 1.65 V 1.2
V
OH
I
OH
= –8 mA 2.3 V 1.7 V
2.7 V 2.2 2.2
I
OH
= –12 mA
3 V 2.4 2.4
I
OH
= –24 mA 3 V 2.2 2.2
1.65 V to 3.6 V 0.2
I
OL
= 100 μA
2.7 V to 3.6 V 0.2
I
OL
= 4 mA 1.65 V 0.45
V
OL
V
I
OL
= 8 mA 2.3 V 0.7
I
OL
= 12 mA 2.7 V 0.4 0.4
I
OL
= 24 mA 3 V 0.55 0.55
I
I
V
I
= 5.5 V or GND 3.6 V ±5 ±5 μA
I
CC
V
I
= V
CC
or GND, I
O
= 0 3.6 V 10 10 μA
One input at V
CC
– 0.6 V,
ΔI
CC
2.7 V to 3.6 V 500 500 μA
Other inputs at V
CC
or GND
C
i
V
I
= V
CC
or GND 3.3 V 5 5 pF
(1) All typical values are at V
CC
= 3.3 V, T
A
= 25°C.
Switching Characteristics
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)
SN54LVC138A
FROM TO V
CC
= 3.3 V
PARAMETER V
CC
= 2.7 V UNIT
(INPUT) (OUTPUT) ± 0.3 V
MIN MAX MIN MAX
A or B or C 7.9 1 6.7
t
pd
G2A or G2B Y 7.4 1 6.5 ns
G1 6.4 1 5.8
Switching Characteristics
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)
SN74LVC138A
FROM TO V
CC
= 1.8 V V
CC
= 2.5 V V
CC
= 3.3 V
PARAMETER V
CC
= 2.7 V UNIT
(INPUT) (OUTPUT) ± 0.15 V ± 0.2 V ± 0.3 V
MIN MAX MIN MAX MIN MAX MIN MAX
A or B or C 1 22 1 9.9 1 7.9 1 6.7
t
pd
G2A or G2B Y 1 21 1 9.4 1 7.4 1 6.5 ns
G1 1 20.3 1 8.4 1 6.4 1 5.8
t
sk(o)
1 ns
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