TCA9509

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SCPS225B

– AUGUST 2011 – REVISED JANUARY 2012

ELECTRICAL CHARACTERISTICS

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Input clamp voltage

–1.5

–0.5

V

SDAA, SCLA

0.18

0.25

Low-level output voltage

V

SDAA, SCLA

0.2

0.3

1.2V

Low-level input voltage

below low-level output

SDAA, SCLA

50

mV

voltage

SDA and SCL low-level

SDAA, SCLA

–0.5

0.15

V

input voltage contention

Low-level output voltage

SDAB, SCLB

0.1

0.2

V

All port A Static high

0.25

0.45

0.9

mA

All port A Static low

1.25

3

5

All port B Static high

0.5

0.9

1.1

mA

±1

SDAB, SCLB

10

±1

Input leakage current

SDAA, SCLA

μA

10

±1

EN

–10

SDAB, SCLB

10

High-level output leakage

μA

current

SDAA, SCLA

10

I/O capacitance of A-side

SCLA, SDAA

6

6.5

7

pF

I/O capacitance of B-side

SCLB, SDAB

5.5

6

6.2

pF

TIMING REQUIREMENTS

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.

Copyright

© 2011–2012, Texas Instruments Incorporated

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