PCA9554

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SCPS128C – JULY 2006 – REVISED JUNE 2014

6.4 Electrical Characteristics

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

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

Input diode clamp voltage

2.3 V to 5.5 V

–1.2

V

Power-on reset voltage

1.5

1.65

V

2.3 V

1.8

3 V

2.6

4.5 V

3.1

4.75 V

4.1

P-port high-level output

V

2.3 V

1.7

3 V

2.5

4.5 V

3

4.75 V

4

SDA

2.3 V to 5.5 V

3

8

2.3 V

8

10

3 V

8

14

4.5 V

8

17

4.75 V

8

35

mA

2.3 V

10

13

3 V

10

19

4.5 V

10

24

4.75 V

10

45

INT

2.3 V to 5.5 V

3

10

SCL, SDA

±1

2.3 V to 5.5 V

μA

A2–A0

±1

P port

2.3 V to 5.5 V

1

μA

P port

2.3 V to 5.5 V

–100

μA

5.5 V

104

175

3.6 V

50

90

2.7 V

20

65

Operating mode

5.5 V

60

150

3.6 V

15

40

2.7 V

8

20

μA

5.5 V

450

700

3.6 V

300

600

2.7 V

225

500

Standby mode

5.5 V

0.25

1

3.6 V

0.2

0.9

2.7 V

0.1

0.8

2.3 V to 5.5 V

1.5

Additional current in

mA

standby mode

5.5 V

1

SCL

2.3 V to 5.5 V

4

5

pF

SDA

5.5

6.5

2.3 V to 5.5 V

pF

P port

8

9.5

(1)

(2)

The total current sourced by all I/Os must be limited to 85 mA.

(3)

Each I/O must be externally limited to a maximum of 25 mA, and the P port (P0 to P7) must be limited to a maximum current of 200 mA.

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