5.8 Switching Characteristics: VCCA = 3.3V ± 0.3V

over recommended operating free-air temperature range, VCCA = 3.3V ± 0.3V (unless otherwise noted) (see Figure 6-1)

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCCB = 1.8V

±0.15V

VCCB = 2.5V

±0.2V

VCCB = 3.3V

±0.3V

VCCB = 5V

±0.5V

UNIT

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

tPLH

A

B

2.1

19.5

1.4

12

0.7

9.6

0.7

8.4

ns

tPHL

2

16.6

1.3

11

0.8

9

0.7

8

tPLH

B

A

1.7

12.3

1.3

10.4

0.7

9.8

0.6

9.4

ns

tPHL

1.8

11.1

1.3

9.4

0.8

9

0.7

8.5

tPHZ

DIR

A

4.5

14.9

4.5

14.8

4.4

14.8

4.4

14.4

ns

tPLZ

3.4

12.4

3.7

12.4

3.9

12.1

3.3

11.8

tPHZ

DIR

B

5.7

31.3

4.7

17.7

4.7

14.4

2.9

11.4

ns

tPLZ

4.5

21.7

3.5

15.3

4.3

12.3

1

9.6

tPZH (1)

DIR

A

34

25.7

22.1

19

ns

tPZL (1)

42.4

27.1

23.4

19.9

tPZH (1)

DIR

B

31.9

24.4

21.9

20.2

ns

tPZL (1)

31.5

25.8

23.8

22.4

(1)

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

5.9 Switching Characteristics: VCCA = 5V ± 0.5V

over recommended operating free-air temperature range, VCCA = 5V ± 0.5V (unless otherwise noted) (see Figure 6-1)

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCCB = 1.8V

±0.15V

VCCB = 2.5V

±0.2V

VCCB = 3.3V

±0.3V

VCCB = 5V

±0.5V

UNIT

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

tPLH

A

B

1.9

19.1

1

11.5

0.6

9.4

0.5

7.9

ns

tPHL

1.8

16.2

0.9

10.2

0.7

8.5

0.5

7.5

tPLH

B

A

1.4

11.2

1

9.1

0.7

8.4

0.5

7.9

ns

tPHL

1.7

11

0.9

8.6

0.7

8

0.5

7.5

tPHZ

DIR

A

2.9

12.2

2.9

11.9

2.8

11.9

2.2

11.8

ns

tPLZ

1.4

10.9

1.3

10.7

0.7

10.7

0.7

10.6

tPHZ

DIR

B

5.8

30.1

4.4

17.9

4.4

14.1

1.3

11.3

ns

tPLZ

4.7

20.9

3.3

15

4

11.7

1

9.6

tPZH (1)

DIR

A

32.1

24.1

20.1

18.5

ns

tPZL (1)

41.1

26.5

22.1

18.8

tPZH (1)

DIR

B

30

22.2

20.1

18.5

ns

tPZL (1)

28.4

22.1

22.4

19.3

(1)

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

SN74LVC2T45-Q1

SCES818C – SEPTEMBER 2010 – REVISED JULY 2024

www.ti.com

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