SN75LVDM976, SN75LVDM977
9-CHANNEL DUAL-MODE TRANSCEIVERS
SLLS292B – APRIL 1998 – REVISED JANUARY 2000
logic diagrams and function tables (continued)
FUNCTION TABLE
B–
A
B+
Input
A
L
H
L
H
Outputs
B+
B–
H
L
Figure 5. Noninverting LVD Driver
FUNCTION TABLE
B–
VID
B+
Inputs
(B+ – B –)
VID
≥
30 mV
– 30 mV < VID < 30 mV
VID
≤
–30 mV
Open circuit
NA
DE/RE
L
L
L
L
H
H
A
NA
NA
NA
NA
L
H
B+
Z
Z
Z
Z
L
H
Outputs
B–
Z
Z
Z
Z
H
L
A
H
?
L
?
Z
Z
A
DE/RE
Figure 6. Noninverting LVD Transceiver
NA
A
DE/RE
B–
Inputs
B–
H
B+
L
Open Circuit
NA
NA
FUNCTION TABLE
Outputs
A
NA
NA
NA
L
H
B+
L
L
L
L
L
B–
Z
Z
Z
L
H
A
H
L
?
Z
Z
DE/RE
L
L
L
H
H
Figure 7. Noninverting Single-Ended Transceiver
A
B–
FUNCTION TABLE
Input
B+
A
L
H
L
L
Outputs
B+
B–
L
H
Figure 8. Noninverting Single-Ended Driver
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5
TI [ TEXAS INSTRUMENTS ]
