PCA9555

SCPS131F – AUGUST 2005 – REVISED JUNE 2014

www.ti.com

6.4 Electrical Characteristics

over recommended 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

4.75 V

4.1

V

2.3 V

1.7

3 V

2.5

4.75 V

4

SDA

3

8

20

2.3 V to 5.5 V

mA

10

24

INT

3

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

100

200

Operating mode

3.6 V

30

75

μA

2.7 V

20

50

5.5 V

1.1

1.5

Low inputs

3.6 V

0.7

1.3

mA

2.7 V

0.5

1

Standby mode

5.5 V

0.5

1

High inputs

3.6 V

0.4

0.9

μA

2.7 V

0.25

0.8

Additional current in standby

2.3 V to 5.5 V

1.5

mA

mode

SCL

2.3 V to 5.5 V

3

7

pF

SDA

3

7

2.3 V to 5.5 V

pF

P port

3.7

9.5

(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

Submit Documentation Feedback

Copyright © 2005–2014, Texas Instruments Incorporated

Product Folder Links: PCA9555