74LVC1T45GS datasheet(13/30 Pages) NEXPERIA

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Nexperia

74LVC1T45; 74LVCH1T45

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

1.9 18.3 1.7 16.7 0.9

8.3

0.6

6.0

0.4

4.3 ns

tPLH

LOW to HIGH

propagation delay B to A

1.4 11.6 1.2

7.5

0.9

5.3

0.6

4.9

0.4

4.3 ns

A to B

2.0 16.9 1.6 13.5 0.9

6.9

0.6

5.0

0.4

3.9 ns

tPHL

HIGH to LOW

propagation delay B to A

1.5 11.9 1.5

7.7

0.8

5.1

0.6

4.4

0.4

3.9 ns

DIR to A

1.5

6.0

1.5

6.0

1.5

6.0

1.5

6.0

1.5

6.0 ns

tPHZ

HIGH to OFF-state

propagation delay DIR to B

2.6 19.1 2.6 17.8 2.0 10.7 2.4

8.8

2.2

6.3 ns

DIR to A

1.2

4.1

1.2

4.1

1.1

4.1

0.9

4.1

0.8

4.1 ns

tPLZ

LOW to OFF-state

propagation delay DIR to B

2.0 14.5 2.1 13.4 1.7

8.2

2.0

7.7

1.6

5.0 ns

DIR to A

[1]

26.1

20.9

13.5

12.6

9.3 ns

tPZH

OFF-state to HIGH

propagation delay DIR to B

[1]

22.4

20.8

12.4

10.1

8.4 ns

DIR to A

[1]

31.0

25.5

15.8

13.2

10.2 ns

tPZL

OFF-state to LOW

propagation delay DIR to B

[1]

22.9

19.5

12.9

11.0

9.9 ns

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

11.1. Waveforms and test circuit

001aae967

A, B input

B, A output

tPLH

tPHL

GND

VOH

VOL

Measurement points are given in Table 14.

VOL and VOH are typical output voltage levels that occur with the output load.

Fig. 6. The data input (A, B) to output (B, A) propagation delay times

74LVC_LVCH1T45

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 9 — 10 February 2022

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