3.3V-Powered, 10Mbps and Slew-Rate-Limited
True RS-485/RS-422 Transceivers
A
RO
R
120Ω
RE
B
DE
DI
D
Z
120Ω
Y
Y
ZB
A
R
D
DI DE RE RO
Y
120Ω
D
DI
Z
DE
B
RE
120Ω
R
RO
A
Y
ZB
A
R
D
DI
DE RE RO
MAX3488
MAX3490
MAX3491
NOTE: RE AND DE ON MAX3491 ONLY.
Figure 22. MAX3488/MAX3490/MAX3491 Full-Duplex RS-485 Network
RO
R
RE
DE
DI
D
MAX3488
MAX3490
A
MAX3491
120Ω
B
DATA IN
Z
120Ω
Y
DATA OUT
NOTE: RE AND DE ON MAX3491 ONLY.
Figure 23. Line Repeater for MAX3488/MAX3490/MAX3491
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