NXP Semiconductors

PCA9574

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

11 Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol

Parameter

Conditions

Min

Max

Unit

VDD

supply voltage

-0.5

+4.0

V

VDD(IO)

input/output supply voltage

VSS - 0.5

+4.0

V

II/O

input/output current

-

±5

mA

II

input current

-

±20

mA

IDD

supply current

-

90

mA

ISS

ground supply current

-

90

mA

Ptot

total power dissipation

-

75

mW

Tstg

storage temperature

-65

+150

°C

Tamb

ambient temperature

-40

+85

°C

Table 13. Limiting values

12 Static 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.

Symbol Parameter

Conditions

Min

Typ

Max

Unit

Supplies

VDD

supply voltage

1.1

-

3.6

V

VDD(IO)

input/output supply voltage

1.1

-

3.6

V

IDD

supply current

operating mode; VDD = 3.6 V; no

load; fSCL = 100 kHz; I/O = inputs

-

135

200

μA

IstbL

LOW-level standby current Standby mode; VDD = 3.6 V; no load;

VI = VSS; fSCL = 0 kHz; I/O = inputs

-

0.25

1

μA

IstbH

HIGH-level standby current Standby mode; VDD = 3.6 V; no load;

VI = VDD; fSCL = 0 kHz; I/O = inputs

-

0.25

1

μA

VPOR

power-on reset voltage

no load; VI = VDD or VSS (rising VDD)

-

0.8

1.0

V

Input SCL; input/output SDA

VIL

LOW-level input voltage

-0.5

-

+0.3VDD

V

VIH

HIGH-level input voltage

0.7VDD

-

3.6

V

VOL = 0.2 V; VDD = 1.1 V

1

-

-

mA

IOL

LOW-level output current

VOL = 0.4 V; VDD = 2.3 V

3

-

-

mA

IL

leakage current

VI = VDD or VSS

-1

-

+1

μA

Ci

input capacitance

VI = VSS

-

6

10

pF

I/Os

VIL

LOW-level input voltage

-0.5

-

+0.3VDD(IO) V

VIH

HIGH-level input voltage

0.7VDD(IO) -

VDD(IO) +

0.3

V

Table 14. Static characteristics

PCA9574

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Product data sheet

Rev. 6.0 — 31 May 2023

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