Rainbow Electronics MAX3079E - Manual (Page 20)

MAX3070E–MAX3079E
+3.3V, ±15kV ESD-Protected, Fail-Safe,
Hot-Swap, RS-485/RS-422 Transceivers
20 ______________________________________________________________________________________
MAX3070E
MAX3073E
MAX3076E
Rt
Rt
DE
V CC
RE
GND
V CC RE
GND DE
RO
DI
9
10
12
11
B
A
Z
Y
0.1 µF
5
RO
N.C.
DI
2
1, 8, 13
3 6, 7
14 4
V CC
N.C.
N.C.
A
B
Z
Y
N.C.
RO
RE
DE
DI
GND
GND
D
D
R D
R
TYPICAL FULL-DUPLEX OPERATING CIRCUIT
14
13
12
11
10
9
8
1
2
3
4
5
6
7
DIP/SO
R
Pin Configurations and Typical Operating Circuits
MAX3071E
MAX3074E
MAX3077E
Rt
Rt
V
CC
GND
V
CC
GND
RO
DI
5
6
8
7
B
A
Z
Y
0.1 µF
3
RO
DI
2
4
1
R
D
D
R D
R
TYPICAL FULL-DUPLEX OPERATING CIRCUIT
V CC
RO
DI
GND
A
B
Z
Y
8
7
6
5
1
2
3
4
DIP/SO
MAX3072E
MAX3075E
MAX3078E
Rt Rt
DE
RE
B
A
B
A
0.1 µF
TYPICAL HALF-DUPLEX OPERATING CIRCUIT
NOTE: PIN LABELS Y AND Z ON TIMING, TEST, AND WAVEFORMS DIAGRAMS.
REFER TO PINS A AND B WHEN DE IS HIGH.
R
D
RO
DI
V
CC
B
A
GND
8
7
6
5
1
2
3
4
DIP/SO
RE
DE
R
D
RO
DI
V CC
GND
8
7
6
5
1
2
3
4
RE
DE
D
R
DI
RO