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SN74LVC2T45_08 Datasheet, PDF (4/26 Pages) Texas Instruments – DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
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SN74LVC2T45
DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES516I – DECEMBER 2003 – REVISED MARCH 2007
Recommended Operating Conditions(1)(2)(3)
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VCCA
VCCB
VIH
VIL
VIH
VIL
VI
VO
IOH
IOL
∆t/∆v
TA
Supply voltage
VCCI
VCCO
High-level
input voltage
Data inputs(4)
Low-level
input voltage
Data inputs(4)
High-level
input voltage
DIR
(referenced to VCCA)(5)
Low-level
input voltage
Input voltage
Output voltage
DIR
(referenced to VCCA)(5)
High-level output current
Low-level output current
Input transition
rise or fall rate
Data inputs
Control input
Operating free-air temperature
1.65 V to 1.95 V
2.3 V to 2.7 V
3 V to 3.6 V
4.5 V to 5.5 V
1.65 V to 1.95 V
2.3 V to 2.7 V
3 V to 3.6 V
4.5 V to 5.5 V
1.65 V to 1.95 V
2.3 V to 2.7 V
3 V to 3.6 V
4.5 V to 5.5 V
1.65 V to 1.95 V
2.3 V to 2.7 V
3 V to 3.6 V
4.5 V to 5.5 V
1.65 V to 1.95 V
2.3 V to 2.7 V
3 V to 3.6 V
4.5 V to 5.5 V
1.65 V to 1.95 V
2.3 V to 2.7 V
3 V to 3.6 V
4.5 V to 5.5 V
1.65 V to 1.95 V
2.3 V to 2.7 V
3 V to 3.6 V
4.5 V to 5.5 V
1.65 V to 5.5 V
MIN
1.65
1.65
VCCI × 0.65
1.7
2
VCCI × 0.7
VCCA × 0.65
1.7
2
VCCA × 0.7
0
0
–40
MAX
5.5
5.5
UNIT
V
V
VCCI × 0.35
0.7
V
0.8
VCCI × 0.3
V
VCCA × 0.35
0.7
0.8
VCCA × 0.3
5.5
VCCO
–4
–8
–24
–32
4
8
24
32
20
20
10
5
5
85
V
V
V
mA
mA
ns/V
°C
(1) VCCI is the VCC associated with the input port.
(2) VCCO is the VCC associated with the output port.
(3) All unused data inputs of the device must be held at VCCI or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
(4) For VCCI values not specified in the data sheet, VIH min = VCCI × 0.7 V, VIL max = VCCI × 0.3 V.
(5) For VCCI values not specified in the data sheet, VIH min = VCCA × 0.7 V, VIL max = VCCA × 0.3 V.
4
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