TCA9539RTWR datasheet(3/42 Pages) TI1

No de pièce	TCA9539RTWR

Description	Low Voltage 16-Bit I2C and SMBus Low-Power I/O Expander

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Fabricant	TI1 [Texas Instruments]

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A0

P17

P16

P15

P14

P13

24

22

21

20

19

23

7

9

10

11

12

8

P00

P01

P02

P03

P04

P05

1

2

3

4

5

6

18

17

16

15

14

13

Exposed

Center

Pad

INT

A1

RESET

P00

P01

P02

P03

P04

P05

P06

P07

GND

V

CC

SDA

SCL

A0

P17

P16

P15

P14

P13

P12

P11

P10

24

23

22

21

20

19

18

17

16

15

14

13

1

2

3

4

5

6

7

8

9

10

11

12

3

TCA9539

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SCPS202B – OCTOBER 2009 – REVISED OCTOBER 2015

Product Folder Links: TCA9539

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5 Pin Configuration and Functions

PW Package

24-Pins TSSOP

Top View

RTW, RGE Package

24-Pins WQFN, VQFN

Top View

Pin Functions

NAME

NO.

I/O

DESCRIPTION

TSSOP

(PW)

QFN

(RTW, RGE)

INT

1

22

O

Interrupt open-drain output. Connect to VCC through a pullup resistor.

A1

2

23

I

Address input. Connect directly to VCC or ground.

RESET

3

24

I

Active-low reset input. Connect to VCC through a pullup resistor if no active

connection is used.

P00

4

1

I/O

P-port input/output. Push-pull design structure. At power on, P00 is

configured as an input.

P01

5

2

I/O

P-port input/output. Push-pull design structure. At power on, P01 is

configured as an input.

P02

6

3

I/O

P-port input/output. Push-pull design structure. At power on, P02 is

configured as an input.

P03

7

4

I/O

P-port input/output. Push-pull design structure. At power on, P03 is

configured as an input.

P04

8

5

I/O

P-port input/output. Push-pull design structure. At power on, P04 is

configured as an input.

P05

9

6

I/O

P-port input/output. Push-pull design structure. At power on, P05 is

configured as an input.

P06

10

7

I/O

P-port input/output. Push-pull design structure. At power on, P06 is

configured as an input.

P07

11

8

I/O

P-port input/output. Push-pull design structure. At power on, P07 is

configured as an input.

GND

12

9

—

Ground

P10

13

10

I/O

P-port input/output. Push-pull design structure. At power on, P10 is

configured as an input.

P11

14

11

I/O

P-port input/output. Push-pull design structure. At power on, P11 is

configured as an input.

P12

15

12

I/O

P-port input/output. Push-pull design structure. At power on, P12 is

configured as an input.

P13

16

13

I/O

P-port input/output. Push-pull design structure. At power on, P13 is

configured as an input.

P14

17

14

I/O

P-port input/output. Push-pull design structure. At power on, P14 is

configured as an input.

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