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PCA9548

8-channel I2C switch with reset

Philips Electronics 

Philips Semiconductors

8-channel I2C switch with reset

PIN CONFIGURATION — SO, TSSOP

A0 1

A1 2

RESET 3

SD0 4

SC0 5

SD1 6

SC1 7

SD2 8

SC2 9

SD3 10

SC3 11

VSS 12

24 VDD

23 SDA

22 SCL

21 A2

20 SC7

19 SD7

18 SC6

17 SD6

16 SC5

15 SD5

14 SC4

13 SD4

SW00361

Figure 1. Pin configuration — SO, TSSOP

Product data sheet

PCA9548

PIN DESCRIPTION

SO, TSSOP

PIN NUMBER

SYMBOL

1

A0

2

A1

3

RESET

4

SD0

5

SC0

6

SD1

7

SC1

8

SD2

9

SC2

10

SD3

11

SC3

12

VSS

13

SD4

14

SC4

15

SD5

16

SC5

17

SD6

18

SC6

19

SD7

20

SC7

21

A2

22

SCL

23

SDA

24

VDD

FUNCTION

Address input 0

Address input 1

Active LOW reset input

Serial data output 0

Serial clock output 1

Serial data output 1

Serial clock output 2

Serial data output 2

Serial clock output 3

Serial data output 3

Serial clock output 4

Supply ground

Serial data output 4

Serial clock output 5

Serial data output 5

Serial clock output 6

Serial data output 6

Serial clock output 7

Serial data output 7

Serial clock output 8

Address input 2

Serial clock line

Serial data line

Supply voltage

2004 Sep 30

3

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