SN74LVC2T45

DUALBIT DUALSUPPLY BUS TRANSCEIVER

WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3STATE OUTPUTS

SCES516E − DECEMBER 2003 − REVISED MAY 2004

5

POST OFFICE BOX 655303

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted) (see Notes 9 and 10)

PARAMETER

TEST CONDITIONS

VCCA

VCCB

TA = 25°C

−40

°C to 85°C

UNIT

PARAMETER

TEST CONDITIONS

VCCA

VCCB

MIN

TYP

MAX

MIN

MAX

UNIT

IOH = −100 µA,

VI = VIH

1.65 V to 4.5 V

1.65 V to 4.5 V

VCCO−0.1

IOH = −4 mA,

VI = VIH

1.65V

1.65 V

1.2

VOH

IOH = −8 mA,

VI = VIH

2.3 V

2.3 V

1.9

V

VOH

IOH = −24 mA,

VI = VIH

3 V

3 V

2.4

V

IOH = −32 mA,

VI = VIH

4.5 V

4.5 V

3.8

IOL = 100 µA,

VI = VIL

1.65 V to 4.5 V

1.65 V to 4.5 V

0.1

IOL = 4 mA,

VI = VIL

1.65 V

1.65 V

0.45

VOL

IOL = 8 mA,

VI = VIL

2.3 V

2.3 V

0.3

V

VOL

IOL = 24 mA,

VI = VIL

3 V

3 V

0.55

V

IOL = 32 mA,

VI = VIL

4.5 V

4.5 V

0.55

II

DIR

input

VI = VCCA or GND

1.65 V to 5.5 V

1.65 V to 5.5 V

±1

±2

µA

Ioff

A port

VI or VO = 0 to 5.5 V

0 V

0 to 5.5 V

±1

±2

A

Ioff

B port

VI or VO = 0 to 5.5 V

0 to 5.5 V

0 V

±1

±2

µA

IOZ

A or B

ports

VO = VCCO or GND

1.65 V to 5.5 V

1.65 V to 5.5 V

±1

±2

µA

VI = VCCI or

1.65 V to 5.5 V

1.65 V to 5.5 V

3

ICCA

VI = VCCI or

GND

IO = 0

5 V

0 V

2

µA

ICCA

GND

IO = 0

0 V

5 V

0

µA

VI = VCCI or

1.65 V to 5.5 V

1.65 V to 5.5 V

3

ICCB

VI = VCCI or

GND

IO = 0

5 V

0 V

0

µA

ICCB

GND

IO = 0

0 V

5 V

2

µA

ICCA + ICCB

VI = VCCI or

GND

IO = 0

1.65 V to 5.5 V

1.65 V to 5.5 V

4

µA

A port

One A port at VCCA − 0.6 V,

DIR at VCCA, B port = OPEN

50

∆ICCA

DIR

DIR at VCCA − 0.6 V,

B port = OPEN,

A port at VCCA or GND

3 V to 5.5 V

3 V to 5.5 V

50

µA

∆ICCB B port

One B port at VCCB − 0.6 V,

DIR at GND, A port = OPEN

3 V to 5.5 V

3 V to 5.5 V

50

µA

Ci

DIR

input

VI = VCCA or GND

3.3 V

3.3 V

2.5

pF

Cio

A or B

ports

VO = VCCA/B or GND

3.3 V

3.3 V

6

pF

NOTES:

9. VCCO is the VCC associated with the output port.

10. VCCI is the VCC associated with the input port.