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PCA9542A

2-channel I2C-bus multiplexer and interrupt logic

NXP Semiconductors. 

NXP Semiconductors

5. Pinning information

5.1 Pinning

PCA9542A

2-channel I2C-bus multiplexer and interrupt logic

A0 1

A1 2

A2 3

INT0 4

SD0 5

SC0 6

VSS 7

14 VDD

13 SDA

12 SCL

PCA9542AD 11 INT

10 SC1

9 SD1

8 INT1

002aae301

Fig 2. Pin configuration for SO14

A0 1

A1 2

A2 3

INT0 4

SD0 5

SC0 6

VSS 7

PCA9542APW

14 VDD

13 SDA

12 SCL

11 INT

10 SC1

9 SD1

8 INT1

002aae302

Fig 3. Pin configuration for TSSOP14

5.2 Pin description

Table 3.

Symbol

A0

A1

A2

INT0

SD0

SC0

VSS

INT1

SD1

SC1

INT

SCL

SDA

VDD

Pin description

Pin

1

2

3

4

5

6

7

8

9

10

11

12

13

14

Description

address input 0

address input 1

address input 2

active LOW interrupt input 0

serial data 0

serial clock 0

supply ground

active LOW interrupt input 1

serial data 1

serial clock 1

active LOW interrupt output

serial clock line

serial data line

supply voltage

PCA9542A_3

Product data sheet

Rev. 03 — 24 November 2008

© NXP B.V. 2008. All rights reserved.

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