Function Tables

DS75176B Transmitting

Inputs

Line

Outputs

RE

DE

DI

Condition

DO

DO

X

1

1

No Fault

0

1

X

1

0

No Fault

1

0

X0

X

X

ZZ

X

1

X

Fault

Z

Z

DS75176B Receiving

Inputs

Outputs

RE

DE

RI-RI

RO

00

≥ +0.2V

1

00

≤ −0.2V

0

0

0

Inputs Open**

1

10

X

Z

X — Don’t care condition

Z — High impedance state

Fault — Improper line conditons causing excessive power dissipation in the driver, such as shorts or bus contention

situations

**This is a fail safe condition

Typical Application

00875911

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