PCA9544 datasheet(8/12 Pages) PHILIPS

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Philips Semiconductors

Product specification

PCA9544

4-channel I2C multiplexer and interrupt controller

1999 Oct 07

ABSOLUTE MAXIMUM RATINGS1, 2

In accordance with the Absolute Maximum Rating System (IEC 134).Voltages are referenced to GND (ground = 0 V).

SYMBOL

PARAMETER

CONDITIONS

RATING

UNIT

VDD

DC supply voltage

–0.5 to +7.0

DC input voltage

–0.5 to +7.0

DC input current

±20

DC output current

±25

IDD

Supply current

±100

ISS

Supply current

±100

Ptot

total power dissipation

400

Tstg

Storage temperature range

–60 to +150

°C

Tamb

Operating ambient temperature

0 to +70

°C

NOTES:

1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the

device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to

absolute-maximum-rated conditions for extended periods may affect device reliability.

2. The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction

temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed 150

°C.

DC CHARACTERISTICS

VDD = 2.5 to 3.6 V; VSS = 0 V; Tamb = 0°C to +70°C; unless otherwise specified.

SYMBOL

PARAMETER

TEST CONDITIONS

LIMITS

UNIT

SYMBOL

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Supply

VDDQn

≤ VDD Supply voltage

2.5

3.6

IDD

Supply current

Operating mode; VDD = 3.6 V;

no load; VI = VDD or VSS;

fSCL = 100 kHz

–

100

µA

Istb

Standby current

Standby mode; VDD = 3.6 V;

no load; VI = VDD or VSS

–

2.5

100

µA

VPOR

Power-on reset voltage

VDD = 3.6 V; no load;

VI = VDD or VSS

–

1.3

2.1

Input SCL; input/output SDA

VIL

LOW level input voltage

–0.5

–

0.3 VDD

VIH

HIGH level input voltage

0.7 VDD

–

IOL

LOW level output current

VOL = 0.4 V

–

IOL

LOW level out ut current

VOL = 0.6 V

–

Leakage current

VI = VDD or VSS

–1

–

µA

Input capacitance

VI = VSS

–

Select inputs A0 to A2 / INT0 to INT3

VIL

LOW level input voltage

–0.5

–

+0.3 VDD

VIH

HIGH level input voltage

0.7 VDD

–

VDD + 0.5

ILI

Input leakage current

pin at VDD or VSS

–1

–

µA

Pass Gate

RON

Switch resistance

VCC = 3.67 V, VO = 0.4 V, IO = 15 mA

Ω

RON

Switch resistance

VCC = 2.3 to 2.7 V, VO = 0.4V, IO = 10 mA

Ω

Vswin = VDD = 3.3 V; Iswout = –100 µA

2.2

Switch output voltage

Vswin = VDD = 3.0 to 3.6 V; Iswout = –100 µA

1.6

2.8

VPass

Switch out ut voltage

Vswin = VDD = 2.5 V; Iswout = –100 µA

1.5

Vswin = VDD = 2.3 to 2.7 V; Iswout = –100 µA

1.1

2.0

Leakage current

VI = VDD or VSS

–1

–

µA

INT Output

IOL

LOW level output current

VOL = 0.4 V

–

Leakage current

VI = VDD or VSS

–1

–

µA

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