PCA9540BD 데이터 시트보기 (PDF) - NXP Semiconductors.

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PCA9540BD

2-channel I2C-bus multiplexer

NXP Semiconductors. 

NXP Semiconductors

5. Pinning information

5.1 Pinning

PCA9540B

2-channel I2C-bus multiplexer

SCL 1

8 SC1

SDA 2

7 SD1

PCA9540BD

VDD 3

6 VSS

SD0 4

5 SC0

002aae713

Fig 2. Pin configuration for SO8

SCL 1

SDA 2

VDD 3

SD0 4

PCA9540BDP

8 SC1

7 SD1

6 VSS

5 SC0

002aae714

Fig 3. Pin configuration for TSSOP8

SCL 1

8 SC1

SDA 2

VDD 3

PCA9540BGD

7 SD1

6 VSS

SD0 4

5 SC0

002aae753

Transparent top view

Fig 4. Pin configuration for XSON8U

5.2 Pin description

Table 2.

Symbol

SCL

SDA

VDD

SD0

SC0

VSS

SD1

SC1

Pin description

Pin

1

2

3

4

5

6

7

8

Description

serial clock line

serial data line

supply voltage

serial data 0

serial clock 0

supply ground

serial data 1

serial clock 1

PCA9540B_4

Product data sheet

Rev. 04 — 3 September 2009

© NXP B.V. 2009. All rights reserved.

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