TCA9534APWR datasheet(5/34 Pages) TI1

Part #	TCA9534APWR

Description	Low Voltage 8-Bit I2C and SMBUS Low-Power I/O Expander With Interrupt Output and Configuration Registers

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TCA9534A

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SCPS198A – SEPTEMBER 2014 – REVISED SEPTEMBER 2014

Electrical Characteristics (continued)

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP(1)

MAX

UNIT

1.65 V

1.2

2.3 V

1.8

IOH = –8 mA

3 V

2.6

4.5 V

4.1

VOH

P-port high-level output voltage(2)

V

1.65 V

1.1

2.3 V

1.7

IOH = –10 mA

3 V

2.5

4.5 V

4.0

SDA(3)

VOL = 0.4 V

1.65 V to 5.5 V

3

11

1.65 V

8

10

2.3 V

8

13

VOL = 0.5 V

3 V

8

15

4.5 V

8

17

IOL

P port(4)

mA

1.65 V

10

14

2.3 V

10

17

VOL = 0.7 V

3 V

10

20

4.5 V

10

24

INT (5)

VOL = 0.4 V

1.65 V to 5.5 V

3

7

SCL, SDA

±1

II

VI = VCC or GND

1.65 V to 5.5 V

μA

A2–A0

±1

IIH

P port

VI = VCC

1.65 V to 5.5 V

1

μA

IIL

P port

VI = GND

1.65 V to 5.5 V

–1

μA

VI = VCC or GND, IO = 0,

I/O = inputs, fscl = 400 kHz, No load

5.5 V

18

30

tr = 3 ns

5.5 V

34

VI = VCC or GND, IO = 0,

3.6 V

15

I/O = inputs, fscl = 400 kHz, No load

2.7 V

9

tr,max = 300 ns

Operating mode

1.65

5

5.5 V

20

ICC

μA

VI = VCC or GND, IO = 0,

3.6 V

8

I/O = inputs, fscl = 100 kHz

2.7 V

5

tr,max = 1 µs

1.65 V

3

5.5 V

1.9

3.5

3.6 V

1.1

1.8

VI = GND, IO = 0,

Standby mode

I/O = inputs, fscl = 0 kHz

2.7 V

1.0

1.6

1.65 V

0.4

1.0

Additional current in standby

One input at VCC – 0.6 V,

ΔICC

1.65 V to 5.5 V

70

µA

mode

Other inputs at VCC or GND

Ci

SCL

VI = VCC or GND

1.65 V to 5.5 V

4

5

pF

(2)

Each P-port I/O configured as a high output must be externally limited to a maximum of 10 mA, and the total current sourced by all I/Os

(P-ports P7-P0) through VCC should be limited to a maximum current of 80 mA.

(3)

The SDA pin must be externally limited to a maximum of 12 mA, and the total current sunk by all I/Os (P-ports P7-P0, INT, and SDA)

through GND should be limited to a maximum current of 200 mA.

(4)

Each P-port I/O configured as a low output must be externally limited to a maximum of 25 mA, and the total current sunk by all I/Os (P-

ports P7-P0, INT, and SDA) through GND should be limited to a maximum current of 200 mA.

(5)

The INT pin must be externally limited to a maximum of 7 mA, and the total current sunk by all I/Os (P-ports P7-P0, INT, and SDA)

through GND should be limited to a maximum current of 200 mA.

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