SN74LVC1T45DBVTG4 datasheet(7/25 Pages) TI

Part #	SN74LVC1T45DBVTG4

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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Switching Characteristics

Operating Characteristics

SN74LVC1T45

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

over recommended operating free-air temperature range, VCCA = 3.3 V ± 0.3 V (see Figure 1)

VCCB = 1.8 V

VCCB = 2.5 V

VCCB = 3.3 V

VCCB = 5 V

FROM

TO

±0.15 V

±0.2 V

±0.3 V

±0.5 V

PARAMETER

UNIT

(INPUT)

(OUTPUT)

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

tPLH

2.1

15.5

1.4

8

0.7

5.8

0.7

4.4

A

B

ns

tPHL

2

12.6

1.3

7

0.8

5

0.7

4

tPLH

1.7

8.3

1.3

6.4

0.7

5.8

0.6

5.4

B

A

ns

tPHL

1.8

7.1

1.3

5.4

0.8

5

0.7

4.5

tPHZ

2.9

7.3

3

7.3

2.8

7.3

3.4

7.3

DIR

A

ns

tPLZ

1.8

5.6

1.6

5.6

2.2

5.7

2.2

5.7

tPHZ

5.4

20.5

3.9

10.1

2.9

8.8

2.4

6.8

DIR

B

ns

tPLZ

3.3

14.5

2.9

7.8

2.4

7.1

1.7

4.9

tPZH

(1)

22.8

14.2

12.9

10.3

DIR

A

ns

tPZL

(1)

27.6

15.5

13.8

11.3

tPZH

(1)

21.1

13.6

11.5

10.1

DIR

B

ns

tPZL

(1)

19.9

14.3

12.3

11.3

(1)

The enable time is a calculated value, derived using the formula shown in the enable times section.

over recommended operating free-air temperature range, VCCA = 5 V ±0.5 V (see Figure 1)

VCCB = 1.8 V

VCCB = 2.5 V

VCCB = 3.3 V

VCCB = 5 V

FROM

TO

±0.15 V

±0.2 V

±0.3 V

±0.5 V

PARAMETER

UNIT

(INPUT)

(OUTPUT)

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

tPLH

1.9

15.1

1

7.5

0.6

5.4

0.5

3.9

A

B

ns

tPHL

1.8

12.2

0.9

6.2

0.7

4.5

0.5

3.5

tPLH

1.4

7.2

1

5.1

0.7

4.4

0.5

3.9

B

A

ns

tPHL

1.7

7

0.9

4.6

0.7

4

0.5

3.5

tPHZ

2.1

5.4

2.2

5.4

2.2

5.5

2.2

5.4

DIR

A

ns

tPLZ

0.9

3.8

1

3.8

1

3.7

0.9

3.7

tPHZ

4.8

20.2

2.5

9.8

1

8.5

2.5

6.5

DIR

B

ns

tPLZ

4.2

14.8

2.5

7.4

2.5

7

1.6

4.5

tPZH

(1)

22

12.5

11.4

8.4

DIR

A

ns

tPZL

(1)

27.2

14.4

12.5

10

tPZH

(1)

18.9

11.3

9.1

7.6

DIR

B

ns

tPZL

(1)

17.6

11.6

10

8.6

(1)

The enable time is a calculated value, derived using the formula shown in the enable times section.

TA = 25°C

VCCA =

TEST

VCCB = 1.8 V

VCCB = 2.5 V

VCCB = 3.3 V

VCCB = 5 V

PARAMETER

UNIT

CONDITIONS

TYP

A-port input, B-port output

CL = 0 pF,

3

4

CpdA

(1)

f = 10 MHz,

pF

B-port input, A-port output

18

19

20

21

tr = tf = 1 ns

A-port input, B-port output

CL = 0 pF,

18

19

20

21

CpdB

(1)

f = 10 MHz,

pF

B-port input, A-port output

3

4

tr = tf = 1 ns

(1)

Power dissipation capacitance per transceiver

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