Datasheet

SN75976A, SN55976A
9-CHANNEL DIFFERENTIAL TRANSCEIVER
SLLS218B – MAY 1995 – REVISED MAY 1997
18
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
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 of 200 mV or higher than the other bus input. An L represents a voltage of 200 mV or lower than the
other bus input. Any voltage less than 200 mV results in an indeterminate receiver output.