Fail-Safe, High-Speed (10Mbps),
Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX3080–MAX3089
TOP VIEW
TOP VIEW
N.C. 1
RO 2
RE 3
DE 4
DI 5
GND 6
GND 7
D
R
14 V
CC
13 N.C.
12 A
11 B
10 Z
9
8
Y
N.C.
NC
1, 8, 13
3
6, 7 GND
RE
RO
2
DI
5
DE
4
V
CC
14
9
0.1µF
V
CC
RE
Y
MAX3080
MAX3083
MAX3086
Rt
D
10
Z
12
A
Rt
11
B
R
RO
R
D
DI
DIP/SO
GND
DE
Figure 1. MAX3080/MAX3083/MAX3086 Pin Configuration and Typical Full-Duplex Operating Circuit
TOP VIEW
TOP VIEW
V
CC
1
5 Y
V
CC
1
RO 2
DI 3
GND 4
D
R
8
7
6
5
A
B
Z
Y
RO
8 A
2
Rt
7
B
DI
3
0.1µF
V
CC
MAX3081
MAX3084
MAX3087
Rt
6 Z
D
R
RO
R
D
DI
DIP/SO
4 GND
GND
Figure 2. MAX3081/MAX3084/MAX3087 Pin Configuration and Typical Full-Duplex Operating Circuit
TOP VIEW
TOP VIEW
0.1µF
MAX3082
MAX3085
MAX3088
B
Rt
A
R
DE
D
DI
RO
1
R
8
7
6
V
CC
B
A
GND
RO
1
R
RE 2
DE 3
DI 4
D
RE 2
DE 3
DI 4
D
5
8 V
CC
7 B
Rt
6
A
5 GND
RO
DIP/SO
RE
NOTE: PIN LABELS Y AND Z ON TIMING, TEST, AND WAVEFORM DIAGRAMS REFER TO PINS A AND B WHEN DE IS HIGH.
Figure 3. MAX3082/MAX3085/MAX3088 Pin Configuration and Typical Half-Duplex Operating Circuit
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MAXIM [ MAXIM INTEGRATED PRODUCTS ]
