PCA9541 datasheet(22/30 Pages) PHILIPS

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Philips Semiconductors

Product data sheet

PCA9541

2-to-1 I2C demultiplexer with interrupt logic and reset

2004 Oct 01

DC CHARACTERISTICS

VDD = 3.6 V to 5.5 V; VSS = 0 V; Tamb = –40 °C to +85 °C; unless otherwise specified. (See page 20 for VDD = 2.3 V to 3.6 V)

SYMBOL

PARAMETER

TEST CONDITIONS

LIMITS

UNIT

SYMBOL

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Supply

VDD

Supply voltage

3.6

—

5.5

IDD

Supply current

Operating mode; VDD = 5.5 V;

no load; VI = VDD or VSS;

fSCL = 100 kHz

—

349

600

µA

Istb

Standby current

Standby mode; VDD = 5.5 V;

no load; VI = VDD or VSS;

fSCL = 0 kHz

—

200

µA

VPOR

Power-on reset voltage (Note 1)

no load; VI = VDD or VSS

—

1.5

2.1

Input SCL; input/output SDA (upstream and downstream channels)

VIL

LOW-level input voltage

–0.5

—

0.3VDD

VIH

HIGH-level input voltage

0.7VDD

—

LOW level output current

VOL = 0.4 V

—

IOL

LOW-level output current

VOL = 0.6 V

—

IIL

LOW-level input current

VI = VSS

–10

—

µA

IIH

HIGH-level input current

VI = VDD

—

100

µA

Input capacitance

VI = VSS

—

Select inputs A0 to A3 / INT_IN / RESET

VIL

LOW-level input voltage

–0.5

—

+0.3VDD

VIH

HIGH-level input voltage

0.7VDD

—

ILI

Input leakage current

VI = VDD or VSS

–1

—

+50

µA

Input capacitance

VI = VSS

—

Pass Gate

RON

Switch resistance

VCC = 4.5 V to 5.5 V; VO = 0.4 V; IO = 15 mA

Ω

Switch output voltage

Vswin = VDD = 5.0 V; Iswout = –100 µA

—

3.6

—

VPass

Switch output voltage

Vswin = VDD = 4.5 to 5.5 V; Iswout = –100 µA

2.6

—

4.5

Leakage current

VI = VDD or VSS

–1

—

+100

µA

INT0 and INT1 outputs

IOL

LOW-level output current

VOL = 0.4 V

—

NOTE:

1. VDD must be lowered to 0.2 V in order to reset part.

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