SN75LBC976

9CHANNEL DIFFERENTIAL TRANSCEIVER

SLLS133D − AUGUST 1992 − REVISED MAY 1995

2−16

POST OFFICE BOX 655303

POST OFFICE BOX 1443

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+

A

A

DE/RE

DE/RE

B−

B+

B−

B+

A

DE/RE

B−

B+

B−

B+

A

B−

B+

A

H = high level,

L = low level,

X = irrelevant,

Z = high impedance (off)

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

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