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PCA9540B

2-channel I2C multiplexer

Philips Electronics 

Philips Semiconductors

2-channel I2C multiplexer

Product data sheet

PCA9540B

DC CHARACTERISTICS

VDD = 3.6 to 5.5 V; VSS = 0 V; Tamb = –40 to +85 °C; unless otherwise specified. (See page 8 for VDD = 2.3 to 3.6 V)

SYMBOL

PARAMETER

TEST CONDITIONS

LIMITS

MIN

TYP

Supply

VDD

Supply voltage

IDD

Supply current

Istb

Standby current

VPOR1

Power-on reset voltage

Input SCL; input/output SDA

Operating mode; VDD = 5.5 V;

no load; VI = VDD or VSS;

fSCL = 100 kHz

Standby mode; VDD = 5.5 V;

no load; VI = VDD or VSS

no load; VI = VDD or VSS

3.6

—

—

65

—

0.3

—

1.6

VIL

VIH

IOL

IIL

IIH

Ci

Pass Gate

LOW-level input voltage

HIGH-level input voltage

LOW-level output current

LOW-level input current

HIGH-level input current

Input capacitance

VOL = 0.4 V

VOL = 0.6 V

VI = VSS

VI = VDD

VI = VSS

–0.5

—

0.7 VDD —

3

—

6

—

–1

—

–1

—

—

6

RON

Switch resistance

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

4

9

VPass

Switch output voltage

Vswin = VDD = 5.0 V; Iswout = –100 µA

—

3.6

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

2.6

—

IL

Leakage current

VI = VDD or VSS

–1

—

Cio

Input/output capacitance

NOTE:

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

VI = VSS

—

2.5

MAX

5.5

100

1

2.1

0.3 VDD

6

—

—

1

1

8

24

—

4.5

+1

5

UNIT

V

µA

µA

V

V

V

mA

µA

mA

µA

pF

Ω

V

V

µA

pF

2004 Sep 29

9

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