SN74AVC2T45 datasheet(6/21 Pages) TI

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Switching Characteristics

SN74AVC2T45

DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER

WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS

SCES531F – DECEMBER 2003 – REVISED MAY 2005

over recommended operating free-air temperature range, V

CCA = 1.2 V (see Figure 11)

VCCB = 1.2 V

VCCB = 1.5 V

VCCB = 1.8 V

VCCB = 2.5 V

VCCB = 3.3 V

FROM

PARAMETER

UNIT

(INPUT)

(OUTPUT)

TYP

tPLH

3.1

2.6

2.4

2.2

tPHL

3.1

2.6

2.4

2.2

tPLH

3.4

3.1

2.9

tPHL

3.4

3.1

2.9

tPHZ

5.2

5.1

4.8

DIR

tPLZ

5.2

5.1

4.8

tPHZ

3.8

2.8

3.2

DIR

tPLZ

3.8

2.8

3.2

tPZH(1)

8.4

7.1

6.8

5.7

6.1

DIR

tPZL(1)

8.4

7.1

6.8

5.7

6.1

tPZH(1)

8.3

7.8

7.5

7.2

DIR

tPZL(1)

8.3

7.8

7.5

7.2

(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, V

CCA = 1.5 V ± 0.1 V (see Figure 11)

VCCB = 1.5 V

VCCB = 1.8 V

VCCB = 2.5 V

VCCB = 3.3 V

VCCB = 1.2 V

FROM

± 0.1 V

± 0.15 V

± 0.2 V

± 0.3 V

PARAMETER

UNIT

(INPUT)

(OUTPUT)

TYP

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

tPLH

2.8

0.7

5.4

0.5

4.6

0.4

3.7

0.3

3.5

tPHL

2.8

0.7

5.4

0.5

4.6

0.4

3.7

0.3

3.5

tPLH

2.7

0.8

5.4

0.7

5.2

0.6

4.9

0.5

4.7

tPHL

2.7

0.8

5.4

0.7

5.2

0.6

4.9

0.5

4.7

tPHZ

3.9

1.3

8.5

1.3

7.8

1.1

7.7

1.4

7.6

DIR

tPLZ

3.9

1.3

8.5

1.3

7.8

1.1

7.7

1.4

7.6

tPHZ

4.7

1.1

1.4

6.9

1.2

6.9

1.7

7.1

DIR

tPLZ

4.7

1.1

1.4

6.9

1.2

6.9

1.7

7.1

tPZH(1)

7.4

12.4

12.1

11.8

DIR

tPZL(1)

7.4

12.4

12.1

11.8

tPZH(1)

6.7

13.9

11.6

9.1

7.8

DIR

tPZL(1)

6.7

13.9

11.6

9.1

7.8

(1)

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

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