Rev N 9/15/2006

SP3080E Advanced RS485 Transceivers

© Copyright 2006 Sipex Corporation

16

FUNCTION TABLES

Receiving

Inputs

Output

RE

DE

RO

0

X

≥ -40mV

1

0

X

≤-200mV

0

0

X

Open/shorted

1

1

1

X

High-Z

1

0

X

Shutdown

Transmitting

Inputs

Outputs

RE

DE

DI

Y

Z

X

1

1

1

0

X

1

0

0

1

0

0

X

High-Z

1

0

X

Shutdown

SP3080E (Full Duplex)

Note: Receiver inputs -200mV < VA - VB < -40mV, should be considered indeterminate

PRODUCT SELECTOR GUIDE

Part

Number

Duplex

Data Rate

(Mbps)

Shut-down

Receiver &

Driver Enable

Trans on Bus Foot-print

pin-compatible

upgrade from:

SP3080E

Full

0.115

Yes

Yes

256

SN75180

MAX3080