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Electrical Characteristics

PCA9518

EXPANDABLE FIVE-CHANNEL I2C HUB

SCPS132A – JUNE 2006 – REVISED JULY 2007

over recommended operating free-air temperature range, VCC = 3 V to 3.6 V, GND = 0 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP(1)

MAX

UNIT

VIK

Input diode clamp voltage

II = –18 mA

3 V to 3.6 V

–1.2

SCLn, SDAn

IOL = 0

(2) or 6 mA

3 V to 3.6 V

0.45

0.52

0.7

VOL

EXPSCL, EXPSDA

IOL = 12 mA

3 V to 3.6 V

0.5

Low-level input voltage below

VOL – VILc

SCL, SDA

3 V to 3.6 V

low-level output voltage

VI = 3.6 V

±1

SCLn, SDAn

VI = 0.2 V

VI = VCC

3 V to 3.6 V

±1

μA

EN1, EN2, EN3, EN4

VI = 0.2 V (input current LOW)

EXPSCL, EXPSDA

VI = 0.2 V

Quiescent supply current,

SDAn = SCLn = VCC,

1.75

Both channels high

EXPSCLn = EXPSDAn = VCC

Quiescent supply current,

One SDA and one SCL are at GND,

ICC

3.6 V

2.5

Both channels low

while other SDA and SCL are open.

Quiescent supply current,

SDAn = SCLn = GND,

In contention

EXPSCLn = EXPSDAn = VCC

VI = 3.6 V

SDAx, SCLx power-off condition

Ioff

EN = L or H

0 V

μA

with static VCC

VI = GND

SDAx, SCLx power-off condition

II(ramp)

VI = 3.6 V,

EN = L or H

0 V to 3 V

μA

with VCC ramping up or down

SCLn, SDAn

9.5

EN1, EN2, EN3, EN4

VI = 3 V or GND

3 V to 3.6 V

EXPSCL, EXPSDA

(1)

All typical values are at 3.3-V supply voltage and TA = 25°C.

(2)

Test performed with IOL = 10 μA

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