Datasheet

3.3V-Powered, 10Mbps and Slew-Rate-Limited
True RS-485/RS-422 Transceivers
MAX3483
MAX3485
MAX3486
TOP VIEW
NOTE: PIN LABELS Y AND Z ON TIMING, TEST, AND WAVEFORM DIAGRAMS REFER TO PINS A AND B WHEN DE IS HIGH.
1
2
3
4
8
5
V
CC
GND
DI
DE
RE
RO
R
D
Rt
Rt
7
6
D
R
DE
RE
DI
RO
A
B
1
2
3
4
8
7
6
5
V
CC
B
A
GND
DI
DE
RE
RO
DIP/SO
R
D
B
A
MAX3488
MAX3490
TOP VIEW
1
2
3
4
RO
DI
GND
8
7
6
5
A
B
Z
Y
V
CC
DIP/SO
R
D
Rt
Rt
V
CC
5
6
7
8
RO
DI
GND
4
GND
DI
RO
3
2
A
B
Y
Z
V
CC
DR
R
D
1
MAX3491
DIP/SO
TOP VIEW
Rt
Rt
DE V
CC
RE GND
V
CC
RE
GND DE
RO
DI
9
10
12
11
B
A
Z
Y
5
RO
N.C.
DI
2
1, 8
3 6, 7
13, 144
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V
CC
V
CC
N.C.
A
B
Z
Y
N.C.
RO
RE
DE
DI
GND
GND
R
D
D
RD
R
Figure 2. MAX3488/MAX3490 Pin Configuration and Typical Operating Circuit
Figure 3. MAX3491 Pin Configuration and Typical Operating Circuit
Figure 1. MAX3483/MAX3485/MAX3486 Pin Configuration and Typical Operating Circuit
Maxim Integrated
7
MAX3483/MAX3485/MAX3486/
MAX3488/MAX3490/MAX3491