NXP Semiconductors

PCA9574

8-bit I2C-bus and SMBus, level translating, low voltage GPIO with reset and interrupt

VDD = 1.1 V to 3.6 V; VDD(IO) = 1.1 V to 3.6 V; VSS = 0 V; Tamb = -40 °C to +85 °C; unless otherwise specified.

Symbol Parameter

Conditions

Min

Typ

Max

Unit

IOH

HIGH-level output current

VOH = 0.9 V; VDD(IO) = 1.1 V

1

-

-

mA

VOL = 0.2 V; VDD(IO) = 1.1 V

1

-

-

mA

IOL

LOW-level output current

VOL = 0.5 V; VDD(IO) = 3.6 V

2

3

-

mA

VOH

HIGH-level output voltage IOH = -1 mA; VDD(IO) = 1.1 V

0.8

-

VDD(IO)

V

ILIH

HIGH-level input leakage

current

VDD(IO) = 3.6 V; VI = VDD(IO)

-

-

1

μA

ILIL

LOW-level input leakage

current

VDD(IO) = 3.6 V; VI = VSS

-

-

-1

μA

Ci

input capacitance

-

3.7

5

pF

Co

output capacitance

-

3.7

5

pF

Interrupt INT

IOL

LOW-level output current

VOL = 0.4 V; VDD = 1.1 V

3

-

-

mA

Select input A0; RESET

VIL

LOW-level input voltage

-0.5

-

+0.3VDD

V

VIH

HIGH-level input voltage

0.7VDD

-

3.6

V

ILI

input leakage current

VI = VDD or VSS

-1

-

+1

μA

Table 14. Static characteristics...continued

1.0

2.0

3.0

VOH

(V)

0

Tamb (°C)

- 40

100

- 20

002aae765

0

20

40

60

80

Figure 16. VOH at VDD = 3.3 V, VDD(IO) = 1.2 V, IOH = -1 mA

4.0

VOH

(V)

0

Tamb (°C)

- 40

100

- 20

002aae766

0

20

40

60

80

1.0

2.0

3.0

Figure 17. VOH at VDD = 3.3 V, VDD(IO) = 3.3 V, IOH = -1 mA

13 Dynamic characteristics

VDD = 1.1 V to 3.6 V; VDD(IO) = 1.1 V to 3.6 V; VSS = 0 V; Tamb = -40 °C to +85 °C; unless otherwise specified.

Standard-

mode I2C-bus

Fast-mode I2C-bus

Symbol Parameter

Conditions

Min

Max

Min

Max

Unit

fSCL

SCL clock frequency

0

100

0

400

kHz

Table 15. Dynamic characteristics

PCA9574

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Product data sheet

Rev. 6.0 — 31 May 2023

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