PCA9544APW(2008) データシートの表示（PDF） - NXP Semiconductors.

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PCA9544APW
(Rev.:2008)

4-channel I2C-bus multiplexer with interrupt logic

NXP Semiconductors. 

NXP Semiconductors

5. Pinning information

5.1 Pinning

PCA9544A

4-channel I2C-bus multiplexer with interrupt logic

A0 1

A1 2

A2 3

INT0 4

SD0 5

SC0 6

INT1 7

SD1 8

SC1 9

VSS 10

PCA9544AD

20 VDD

19 SDA

18 SCL

17 INT

16 SC3

15 SD3

14 INT3

13 SC2

12 SD2

11 INT2

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Fig 2. Pin configuration for SO20

A0 1

A1 2

A2 3

INT0 4

SD0 5

SC0 6

INT1 7

SD1 8

SC1 9

VSS 10

PCA9544APW

20 VDD

19 SDA

18 SCL

17 INT

16 SC3

15 SD3

14 INT3

13 SC2

12 SD2

11 INT2

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Fig 3. Pin configuration for TSSOP20

terminal 1

index area

A2 1

INT0 2

SD0 3

SC0 4

INT1 5

PCA9544ABS

15 INT

14 SC3

13 SD3

12 INT3

11 SC2

Transparent top view

Fig 4. Pin configuration for HVQFN20

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PCA9544A_3

Product data sheet

Rev. 03 — 24 November 2008

© NXP B.V. 2008. All rights reserved.

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