Datasheet

MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-422 Multiprotocol Transceivers
22 ______________________________________________________________________________________
INPUTS OUTPUTS
SHDN RS-485/RR
RR
SS
SS
--
--
22
22
33
33
22
22
DE485/T2IN DI/T1IN Z(B)/T1OUT Y(A)/T2OUT
0 X X X 1/8-unit load 1/8-unit load
1 1 0 X 1/8-unit load 1/8-unit load
1110 1 0
1111 0 1
X 0 X X RS-232 mode
Table 7. MAX3160E
INPUTS OUTPUTS
SHDN
RS-485/RR
RR
SS
SS
--
--
22
22
33
33
22
22
DE485/T2IN DI/T1IN Z(B) Y(A)
0 X X X 1/8-unit load 1/8-unit load
X 0 X X 1/8-unit load 1/8-unit load
X X 0 X 1/8-unit load 1/8-unit load
1110 1 0
1111 0 1
Table 8. MAX3161E
INPUTS OUTPUTS
SHDN DE485 DI Z Y
0 X X High-impedance High-impedance
X 0 X High-impedance High-impedance
110 1 0
111 0 1
Table 9. MAX3162E
INPUTS OUTPUT
RS-485/RR
RR
SS
SS
--
--
22
22
33
33
22
22
SHDN HDPLX (A - B)* (Y - Z)* RO/R2OUT
10XXX
High-impedance up to V
CC
110≥-50mV X 1
110≤-200mV X 0
1 1 0 Floating X 1
111X≥-50mV 1
111X≤-200mV 0
1 1 1 X Floating 1
0 X X X X RS-232 mode
Table 10. MAX3160E
*Y and Z correspond to pins Y(A)/T2OUT and Z(B)/T1OUT. A and B correspond to pins A/R2IN and B/R1IN.
RS-485/RS-422 Drivers Truth Tables
RS-485/RS-422 Receivers Truth Tables