SN55LBC976

9-CHANNEL DIFFERENTIAL TRANSCEIVER

SGLS091A – JUNE 1995 – REVISED JANUARY 1997

16

POST OFFICE BOX 655303

APPLICATION INFORMATION

Function Tables

RECEIVER

DRIVER

INPUTS

OUTPUTS

L

L

H

H

DE/RE

AB +

L

H

L

H

Z

Z

L

H

Z

Z

H

L

INPUTS

OUTPUT

A

L

H

B+†

B–†

H

L

L

H

INPUT

A

OUTPUTS

L

H

B+

B–

L

H

H

L

B–

TRANSCEIVER

DRIVER WITH ENABLE

INPUTS

OUTPUTS

L

L

H

H

DE/RE

AB +†

–

–

L

H

L

H

–

–

H

L

–

–

B–†

AB +

L

H

–

–

–

–

L

H

–

–

H

L

B–

WIRED-OR DRIVER

TWO-ENABLE INPUT DRIVER

INPUT

A

OUTPUTS

L

H

B+

B–

Z

H

Z

L

INPUTS

OUTPUTS

L

L

H

H

DE/RE

AB +

L

H

L

H

Z

H

L

H

Z

L

H

L

B–

A

B+

B–

B–

B+

A

B–

B+

A

B–

B+

A

DE/RE

DE/RE

B–

B+

A

B–

B+

A

DE/RE

H = high level,

L = low level,

X = irrelevant,

Z = high impedance (off)

† An H in this column represents a voltage that is 200 mV higher than the other bus input. An L represents a voltage that is 200 mV lower than

the other bus input. Any voltage less than 200 mV results in an indeterminate receiver output.