Nexperia

74ALVC245

Octal bus transceiver; 3-state

5. Pinning information

5.1. Pinning

74ALVC245

DIR

VCC

A0

OE

A1

B0

A2

B1

A3

B2

A4

B3

A5

B4

A6

B5

A7

B6

GND

B7

aaa-032609

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),

SOT360-1 (TSSOP20)

aaa-032610

74ALVC245

GND(1)

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

(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)

5.2. Pin description

Table 2. Pin description

Symbol

Pin

Description

DIR

1

direction control

A0, A1, A2, A3, A4, A5, A6, A7

2, 3, 4, 5, 6, 7, 8, 9

data input/output

B0, B1, B2, B3, B4, B5, B6, B7

18, 17, 16, 15, 14, 13, 12, 11

data input/output

GND

10

ground (0 V)

OE

19

output enable input (active LOW)

VCC

20

supply voltage

6. Functional description

Table 3. Function table

H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.

Input

Input/output

OE

DIR

An

Bn

L

L

A = B

input

L

H

input

B = A

H

X

Z

Z

74ALVC245

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

© Nexperia B.V. 2021. All rights reserved

Product data sheet

Rev. 3 — 30 April 2021

3 / 14