Datasheet

MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-422 Multiprotocol Transceivers
24 ______________________________________________________________________________________
TX
V
CC
HDPLX
DI/T1IN
T1OUT
R1OUT R1IN
DE485/T2IN
GND FAST SHDN
T2OUT
RO/R2OUT
R2IN
RX
RTS
CTS
13
RS-485/RS-232
12
11
10
19
8
10
17
9
18
Y(A)
RS-485
Z(B)
7
6
1
412 13 11
20
5
RJ45
DB9
RS-232
SHDN
µ
P
MAX3100
214
UART
MAX3161E
SPI
+3.3V
RS-485/
RS-232
MULTIPROTOCOL BUS MULTIPLEXER
Typical Application Circuit
PIN NUMBER
EIA/TIA-232
STANDARD
CONNECTOR
PIN
MAX3160E
MAX3161E
MAX3162E
EQUIVALENT
MAX3160E MAX3161E MAX3162E
FUNCTION
(AS SEEN BY DTE)
DCD 1 — — — — Data carrier detect
RD 2 R2IN 13 17 19 Received data
TD 3 T1OUT 5 5 5 Transmitted data
DTR 4 — — — — Data terminal ready
SG 5 GND 4 4 4 Signal ground
DSR 6 — — — — Data set ready
RTS 7 T2OUT 6 8 8 Req uest to send ( = D TE ready)
CTS 8 R1IN 14 18 20 Clear to send (= DCE ready)
RI 9 — — — — Ring indicator
Table 14. Cable Connections Commonly Used for EIA/TIA-232 and
V.24 Asynchronous Interfaces