MAX3465 Datasheet, PDF (8/14 Pages) Maxim Integrated Products – +5V, Fail-Safe, 40Mbps, Profibus RS-485/ RS-422 Transceivers

+5V, Fail-Safe, 40Mbps, Profibus RS-485/
RS-422 Transceivers
Pin Configurations and Typical Operating Circuit
TOP VIEW
SHDN 1
RO 2
RE 3
DE 4
DI 5
GND 6
GND 7
14 V_CC
R
13 RXP
12 A
11 B
10 Z
D
9Y
8 TXP
DIP/SO
DE
4
5
DI
D
V_CC
14
0.1µF
9Y
10
Z
MAX3465
MAX3466
RO ²
TXP ⁸
RXP ¹³
12 A
R
11
R_t
B
3 6, 7 GND
RE
Figure 1. MAX3465/MAX3466 Pin Configuration and Typical Full-Duplex Operating Circuit
V_CC RE
R_t
R
RO
D
DI
GND
DE
TOP VIEW
0.1µF
V_CC
V_{CC 1}
MAX3467
V_CC 1
RO 2
DI 3
GND 4
8A
R
7B
6Z
D
5Y
DIP/SO
3
DI
D
5Y
6
Z
RO ²
8A
R
7
R_t
B
4 GND
Figure 2. MAX3467 Pin Configuration and Typical Full-Duplex Operating Circuit
R_t
R
RO
D
DI
GND
TOP VIEW
RO 1
R
RE 2
DE 3
DI 4
D
8 V_CC RO 1
R
7B
RE 2
6A
DE 3
5 GND DI 4
D
DE
0.1µF MAX3468
MAX3469
8 VCC
7B
R_t
6
A
R
DI
B
R_t
A
5 _GND
D
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. MAX3468/MAX3469 Pin Configuration and Typical Full-Duplex Operating Circuit
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