Datasheet
www.ti.com
Recommended Operating Conditions
(1)
Electrical Characteristics
SN74LVC126A
QUADRUPLE BUS BUFFER GATE
WITH 3-STATE OUTPUTS
SCAS339Q – MARCH 1994 – REVISED JULY 2005
T
A
= 25°C –40 TO 85° C –40 TO 125° C
UNIT
MIN MAX MIN MAX MIN MAX
Operating 1.65 3.6 1.65 3.6 1.65 3.6
V
CC
Supply voltage V
Data retention only 1.5 1.5 1.5
V
CC
= 1.65 V to 1.95 V 0.65 × V
CC
0.65 × V
CC
0.65 × V
CC
High-level
V
IH
V
CC
= 2.3 V to 2.7 V 1.7 1.7 1.7 V
input voltage
V
CC
= 2.7 V to 3.6 V 2 2 2
V
CC
= 1.65 V to 1.95 V 0.35 × V
CC
0.35 × V
CC
0.35 × V
CC
Low-level
V
IL
V
CC
= 2.3 V to 2.7 V 0.7 0.7 0.7 V
input voltage
V
CC
= 2.7 V to 3.6 V 0.8 0.8 0.8
V
I
Input voltage 0 5.5 0 5.5 0 5.5 V
V
O
Output voltage 0 V
CC
0 V
CC
0 V
CC
V
V
CC
= 1.65 V –4 –4 –4
V
CC
= 2.3 V –8 –8 –8
High-level
I
OH
mA
output current
V
CC
= 2.7 V –12 –12 –12
V
CC
= 3 V –24 –24 –24
V
CC
= 1.65 V 4 4 4
V
CC
= 2.3 V 8 8 8
Low-level
I
OL
mA
output current
V
CC
= 2.7 V 12 12 12
V
CC
= 3 V 24 24 24
∆ t/ ∆ v Input transition rise or fall rate 10 10 10 ns/V
(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.
over recommended operating free-air temperature range (unless otherwise noted)
T
A
= 25 °C –40 TO 85 ° C –40 TO 125 ° C
PARAMETER TEST CONDITIONS V
CC
UNIT
MIN TYP MAX MIN MAX MIN MAX
I
OH
= –100 µ A 1.65 V to 3.6 V V
CC
– 0.2 V
CC
– 0.2 V
CC
– 0.3
I
OH
= –4 mA 1.65 V 1.29 1.2 1.05
I
OH
= –8 mA 2.3 V 1.9 1.7 1.55
V
OH
V
2.7 V 2.2 2.2 2.05
I
OH
= –12 mA
3 V 2.4 2.4 2.25
I
OH
= –24 mA 3 V 2.3 2.2 2
I
OL
= 100 µ A 1.65 V to 3.6 V 0.1 0.2 0.3
I
OL
= 4 mA 1.65 V 0.24 0.45 0.6
V
OL
I
OL
= 8 mA 2.3 V 0.3 0.7 0.75 V
I
OL
= 12 mA 2.7 V 0.4 0.4 0.6
I
OL
= 24 mA 3 V 0.55 0.55 0.8
I
I
V
I
= 5.5 V or GND 3.6 V ± 1 ± 5 ± 20 µ A
I
OZ
V
O
= V
CC
or GND 3.6 V ± 1 ± 10 ± 20 µ A
I
CC
V
I
= V
CC
or GND, I
O
= 0 3.6 V 1 10 40 µ A
One input at V
CC
– 0.6 V,
∆ I
CC
2.7 V to 3.6 V 500 500 5000 µ A
Other inputs at V
CC
or GND
C
i
V
I
= V
CC
or GND 3.3 V 4.5 pF
C
o
V
O
= V
CC
or GND 3.3 V 7 pF
3