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Electrical Characteristics

Timing Requirements

PCA9517

SCPS157A – DECEMBER 2007 – REVISED FEBRUARY 2008

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Input clamp voltage

2.7 V to 5.5 V

–1.2

V

SDAB, SCLB

0.45

0.52

0.7

Low-level output

2.7 V to 5.5 V

V

voltage

SDAA, SCLA

0.1

0.2

Low-level input voltage

below low-level output

SDAB, SCLB

2.7 V to 5.5 V

70

mV

voltage

SDA and SCL low-level

SDAB, SCLB

2.7 V to 5.5 V

–0.5

0.4

V

input voltage contention

Both channels low,

SDAA = SCLA = GND and

SDAB = SCLB = open, or

1

mA

SDAA = SCLA = open and

SDAB = SCLB = GND

Both channels high,

1.5

4

Both channels low,

SDAA = SCLA = GND and

Quiescent supply current

5.5 V

mA

SDAB = SCLB = open, or

1.5

5

SDAA = SCLA = open and

SDAB = SCLB = GND

In contention,

SDAA = SCLA = GND and

1.5

5

SDAB = SCLB = GND

±1

SDAB, SCLB

10

±1

Input leakage current

SDAA, SCLA

2.7 V to 5.5 V

µA

10

±1

EN

–10

–30

SDAB, SCLB

10

High-level output

2.7 V to 5.5 V

µA

leakage current

SDAA, SCLA

10

EN

3.3 V

6

7

Input capacitance

3.3 V

6

9

pF

SCLA, SCLB

0 V

6

8

3.3 V

6

9

Input/output

SDAA, SDAB

pF

capacitance

0 V

6

8

over recommended operating free-air temperature range (unless otherwise noted)

MIN

MAX

UNIT

100

ns

100

ns

(1)

EN should change state only when the global bus and the repeater port are in an idle state.

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