Datasheet

MAX3460–MAX3464
+5V, Fail-Safe, 20Mbps, Profibus RS-485/
RS-422 Transceivers
12 ______________________________________________________________________________________
MAX3463
MAX3464
(HALF-DUPLEX)
DI
DE
RO
RE
RE
D
R
B
A
B
AABAB
120Ω 120Ω
D
R
DI DE RO
RE
D
R
DI DE RO
D
R
DE
DI
RO
RE
Figure 13. Typical Half-Duplex RS-485 Network
MAX3460
MAX3461
MAX3462
(FULL-DUPLEX)
D
R
R
D
D
R
DI DE RORE
YZB A B
D
R
DI DE RORE
YZ
120Ω
120Ω
120Ω
120Ω
Y
Z
B
A
DI
DE
RO
RE
NOTE: RE AND DE ON MAX3460/MAX3461/MAX3462 ONLY
RO
DE
DI
RE
A
B
Z
Y
Figure 14. Typical Full-Duplex RS-485 Network