Nexperia

74LVC245A; 74LVCH245A

Octal bus transceiver; 3-state

5. Pinning information

5.1. Pinning

74LVC245A

74LVCH245A

DIR

VCC

A0

OE

A1

B0

A2

B1

A3

B2

A4

B3

A5

B4

A6

B5

A7

B6

GND

B7

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1

2

3

4

5

6

7

8

9

10

12

11

14

13

16

15

18

17

20

19

Fig. 3. Pin configuration SOT163-1 (SO20)

and SOT360-1 (TSSOP20)

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74LVC245A

74LVCH245A

Transparent top view

B6

A6

A7

B5

A5

B4

A4

B3

A3

B2

A2

B1

A1

B0

A0

OE

9

12

8

13

7

14

6

15

5

16

4

17

3

18

2

19

terminal 1

index area

GND(1)

(1) This is not a ground pin. There is no electrical or

mechanical requirement to solder the pad. In case

soldered, the solder land should remain floating or

connected to GND.

Fig. 4. Pin configuration SOT764-1 (DHVQFN20)

74LVC245A

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Transparent top view

GND(1)

A0 2

terminal 1

index area

A1

B0

3

18

A5 7

A6 8

A7 9

OE

19

B4

14

A2 4

B1

17

B5

13

A3 5

A4 6

B2

16

B3

15

B6

12

(1) This is not a ground pin. There is no electrical or mechanical requirement to solder the pad. In case soldered,

the solder land should remain floating or connected to GND.

Fig. 5. Pin configuration SOT8020-1 (DHXQFN20)

74LVC_LVCH245A

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© Nexperia B.V. 2021. All rights reserved

Product data sheet

Rev. 12 — 16 September 2021

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