TCA6416PWT datasheet(3/31 Pages) TI

Part #	TCA6416PWT

Description	LOW-VOLTAGE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS

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TCA6416

LOW-VOLTAGE 16-BIT I2C AND SMBus I/O EXPANDER

WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS

SCPS153 – DECEMBER 2007

TERMINAL FUNCTIONS

TERMINAL

NO.

DESCRIPTION

NAME

TSSOP

QFN

BGA

(PW)

(RTW)

(ZQS)

1

22

A3

INT

Interrupt output. Connect to VCCI or VCCP through a pullup resistor.

Supply voltage of I2C bus. Connect directly to the VCC of the external I

2C master. Provides

2

23

B3

VCCI

voltage-level translation.

Active-low reset input. Connect to VCCP through a pullup resistor, if no active connection is

3

24

A2

RESET

used.

4

1

A1

P00

P-port input/output (push-pull design structure). At power on, P00 is configured as an input.

5

2

C3

P01

P-port input/output (push-pull design structure). At power on, P01 is configured as an input.

6

3

B1

P02

P-port input/output (push-pull design structure). At power on, P02 is configured as an input.

7

4

C1

P03

P-port input/output (push-pull design structure). At power on, P03 is configured as an input.

8

5

C2

P04

P-port input/output (push-pull design structure). At power on, P04 is configured as an input.

9

6

D1

P05

P-port input/output (push-pull design structure). At power on, P05 is configured as an input.

10

7

E1

P06

P-port input/output (push-pull design structure). At power on, P06 is configured as an input.

11

8

D2

P07

P-port input/output (push-pull design structure). At power on, P07 is configured as an input.

12

9

E2

GND

Ground

13

10

E3

P10

P-port input/output (push-pull design structure). At power on, P10 is configured as an input.

14

11

E4

P11

P-port input/output (push-pull design structure). At power on, P11 is configured as an input.

15

12

D3

P12

P-port input/output (push-pull design structure). At power on, P12 is configured as an input.

16

13

E5

P13

P-port input/output (push-pull design structure). At power on, P13 is configured as an input.

17

14

D4

P14

P-port input/output (push-pull design structure). At power on, P14 is configured as an input.

18

15

D5

P15

P-port input/output (push-pull design structure). At power on, P15 is configured as an input.

19

16

C5

P16

P-port input/output (push-pull design structure). At power on, P16 is configured as an input.

20

17

C4

P17

P-port input/output (push-pull design structure). At power on, P17 is configured as an input.

21

18

B5

ADDR

Address input. Connect directly to VCCP or ground.

22

19

A5

SCL

Serial clock bus. Connect to VCCI through a pullup resistor.

23

20

A4

SDA

Serial data bus. Connect to VCCI through a pullup resistor.

24

21

B4

VCCP

Supply voltage of TCA6416 for P port

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