PCA9501_4

© NXP B.V. 2009. All rights reserved.

Product data sheet

Rev. 04 — 10 February 2009

15 of 28

NXP Semiconductors

PCA9501

11. Static characteristics

[1]

Each I/O must be externally limited to a maximum of 25 mA and the device must be limited to a maximum current of 100 mA.

Table 5.

Static characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Supply

supply voltage

2.5

3.3

3.6

V

standby current

A0 to A5; WC = HIGH

-

-

60

µA

supply current read

-

-

1

mA

supply current write

-

-

2

mA

power-on reset voltage

-

-

2.4

V

Input SCL; input/output SDA

LOW-level input voltage

−0.5

-

HIGH-level input voltage

-

5.5

V

LOW-level output current

3

-

-

mA

input leakage current

−1-

+1

µA

input capacitance

--7

pF

I/O expander port

LOW-level input voltage

−0.5

-

HIGH-level input voltage

-

5.5

V

input current through protection diodes

−400

-

+400

µA

LOW-level output current

[1] 10

25

-

mA

HIGH-level output current

30

100

300

µA

transient pull-up current

-

2

-

mA

input capacitance

-

-

10

pF

output capacitance

-

-

10

pF

Address inputs A0 to A5; WC input

LOW-level input voltage

−0.5

-

HIGH-level input voltage

-

5.5

V

input leakage current

−1-

+1

µA

10

25

100

µA

Interrupt output INT

LOW-level output current

1.6

-

-

mA

leakage current

−1-

+1

µA