Nexperia

74LVC2T45; 74LVCH2T45

Dual supply translating transceiver; 3-state

VCC(B)

1.5 V ± 0.1 V 1.8 V ± 0.15 V 2.5 V ± 0.2 V 3.3 V ± 0.3 V 5.0 V ± 0.5 V

Symbol Parameter

Conditions

Min Max

Min

Max

Min Max Min Max Min Max

Unit

VCC(A) = 4.5 V to 5.5 V

A to B

2.2

16.6

1.9

15.1

1.0

7.5

0.7

5.4

0.5

3.9 ns

tPLH

LOW to HIGH

propagation delay

B to A

1.6

10.5

1.4

6.8

1.0

4.8

0.7

4.4

0.5

3.9 ns

A to B

2.3

15.3

1.8

12.2

1.0

6.2

0.7

4.5

0.5

3.5 ns

tPHL

HIGH to LOW

propagation delay

B to A

1.7

10.8

1.7

7.0

0.9

4.6

0.7

4.0

0.5

3.5 ns

DIR to A

1.7

5.4

1.7

5.4

1.7

5.4

1.7

5.4

1.7

5.4 ns

tPHZ

HIGH to OFF-state

propagation delay

DIR to B

2.9

17.3

2.9

16.1

2.3

9.7

2.7

8.0

2.5

5.7 ns

DIR to A

1.4

3.7

1.4

3.7

1.3

3.7

1.0

3.7

0.9

3.7 ns

tPLZ

LOW to OFF-state

propagation delay

DIR to B

2.3

13.1

2.4

12.1

1.9

7.4

2.3

7.0

1.8

4.5 ns

DIR to A [1]

-

23.6

-

18.9

-

12.2

-

11.4

-

8.4 ns

tPZH

OFF-state to HIGH

propagation delay

DIR to B [1]

-

20.3

-

18.8

-

11.2

-

9.1

-

7.6 ns

DIR to A [1]

-

28.1

-

23.1

-

14.3

-

12.0

-

9.2 ns

tPZL

OFF-state to LOW

propagation delay

DIR to B [1]

-

20.7

-

17.6

-

11.6

-

9.9

-

8.9 ns

[1] tPZH and tPZL are calculated values using the formula shown in Section 13.4.

Table 13. Dynamic characteristics for temperature range -40 °C to +125 °C

Voltages are referenced to GND (ground = 0 V); for test circuit see Fig. 7; for waveforms see Fig. 5 and Fig. 6.

VCC(B)

1.5 V ± 0.1 V 1.8 V ± 0.15 V 2.5 V ± 0.2 V 3.3 V ± 0.3 V 5.0 V ± 0.5 V

Symbol Parameter

Conditions

Min Max

Min

Max

Min Max Min Max Min Max

Unit

VCC(A) = 1.4 V to 1.6 V

A to B

2.5

23.5

2.1

19.4

1.8

14.9

1.5

13.0

1.4

11.6 ns

tPLH

LOW to HIGH

propagation delay

B to A

2.5

23.5

2.3

21.1

2.0

16.4

2.0

13.7

1.9

13.2 ns

A to B

2.3

21.3

1.9

16.9

1.6

13.0

1.5

12.0

1.5

11.9 ns

tPHL

HIGH to LOW

propagation delay

B to A

2.3

21.3

2.1

19.1

2.0

14.6

1.9

12.5

2.0

12.1 ns

DIR to A

2.7

20.6

2.7

20.6

2.7

20.6

2.7

20.6

2.7

20.6 ns

tPHZ

HIGH to OFF-state

propagation delay

DIR to B

3.1

27.3

3.1

26.0

2.7

12.1

2.9

12.5

2.5

11.4 ns

DIR to A

2.1

12.6

2.1

12.6

2.1

12.6

2.1

12.6

2.1

12.6 ns

tPLZ

LOW to OFF-state

propagation delay

DIR to B

2.5

20.2

2.7

19.0

2.2

10.4

2.7

11.2

2.2

10.4 ns

DIR to A [1]

-

43.7

-

40.1

-

26.8

-

24.9

-

23.6 ns

tPZH

OFF-state to HIGH

propagation delay

DIR to B [1]

-

36.1

-

32.0

-

27.5

-

25.6

-

24.2 ns

DIR to A [1]

-

48.6

-

45.1

-

26.7

-

25.0

-

23.5 ns

tPZL

OFF-state to LOW

propagation delay

DIR to B [1]

-

41.9

-

37.5

-

33.6

-

32.6

-

32.5 ns

74LVC_LVCH2T45

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© Nexperia B.V. 2023. All rights reserved

Product data sheet

Rev. 12 — 1 March 2023

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