6

TCA9539

SCPS202B – OCTOBER 2009 – REVISED OCTOBER 2015

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(1)

(2)

Each I/O must be externally limited to a maximum of 25 mA, and each octal (P07–P00 and P17–P10) must be limited to a maximum

current of 100 mA, for a device total of 200 mA.

(3)

The total current sourced by all I/Os must be limited to 160 mA (80 mA for P07–P00 and 80 mA for P17–P10).

6.5 Electrical Characteristics

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

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

Input diode clamp voltage

1.65 V to 5.5V

–1.2

V

Power-on reset voltage, VCC rising

1.65 V to 5.5 V

1.2

1.5

V

Power-on reset voltage, VCC

falling

1.65 V to 5.5 V

0.75

1

1.65 V

1.2

V

2.3 V

1.8

3 V

2.6

4.75 V

4.1

1.65 V

1.0

2.3 V

1.7

3 V

2.5

4.75 V

4

SDA

1.65 V to 5.5 V

3

mA

1.65 V

8

10

2.3 V

8

13

3 V

8

15

4.5 V

8

17

1.65 V

10

14

2.3 V

10

17

3 V

10

20

4.5 V

10

24

INT

3

SCL, SDA

1.65 V to 5.5 V

±1

μA

A0, A1, RESET

±1

P port

1.65 V to 5.5 V

1

μA

P port

1.65 V to 5.5 V

–1

μA

Operating mode

load

5.5 V

100

200

μA

3.6 V

30

75

2.7 V

20

50

1.95 V

10

45

Standby mode

inputs,

5.5 V

1.9

3.5

3.6 V

1.1

1.8

2.7 V

1.0

1.6

1.95 V

0.4

1.0

Additional current in standby mode

1.65 V to 5.5 V

70

μA

SCL

1.65 V to 5.5 V

3

8

pF

SDA

1.65 V to 5.5 V

3

7

pF

P port

3.7

9.5