SN74LVC1T45 datasheet(4/25 Pages) TI

Part #	SN74LVC1T45

Description	SINGLE-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS

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Manufacturer	TI [Texas Instruments]

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Recommended Operating Conditions

(1) (2) (3)

SN74LVC1T45

SCES515I – DECEMBER 2003 – REVISED MAY 2009 ..................................................................................................................................................... www.ti.com

VCCI

VCCO

MIN

MAX

UNIT

VCCA

1.65

5.5

Supply voltage

V

VCCB

1.65

5.5

1.65 V to 1.95 V

VCCI × 0.65

2.3 V to 2.7 V

1.7

High-level

VIH

Data inputs(4)

V

input voltage

3 V to 3.6 V

2

4.5 V to 5.5 V

VCCI × 0.7

1.65 V to 1.95 V

VCCI × 0.35

2.3 V to 2.7 V

0.7

Low-level

VIL

Data inputs(4)

V

input voltage

3 V to 3.6 V

0.8

4.5 V to 5.5 V

VCCI × 0.3

1.65 V to 1.95 V

VCCA × 0.65

2.3 V to 2.7 V

1.7

High-level

DIR

VIH

V

input voltage

(referenced to VCCA)

(5)

3 V to 3.6 V

2

4.5 V to 5.5 V

VCCA × 0.7

1.65 V to 1.95 V

VCCA × 0.35

2.3 V to 2.7 V

0.7

Low-level

DIR

VIL

V

input voltage

(referenced to VCCA)

(5)

3 V to 3.6 V

0.8

4.5 V to 5.5 V

VCCA × 0.3

VI

Input voltage

0

5.5

V

VO

Output voltage

0

VCCO

V

1.65 V to 1.95 V

–4

2.3 V to 2.7 V

–8

IOH

High-level output current

mA

3 V to 3.6 V

–24

4.5 V to 5.5 V

–32

1.65 V to 1.95 V

4

2.3 V to 2.7 V

8

IOL

Low-level output current

mA

3 V to 3.6 V

24

4.5 V to 5.5 V

32

1.65 V to 1.95 V

20

2.3 V to 2.7 V

20

Data inputs

Input transition

Δt/Δv

3 V to 3.6 V

10

ns/V

rise or fall rate

4.5 V to 5.5 V

5

Control inputs

1.65 V to 5.5 V

5

TA

Operating free-air temperature

–40

85

°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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