Datasheet

+3.0V to+5.5V, 1µA, RS-232/RS-485/422
Multiprotocol Transceivers
INPUTS OUTPUTS
SHDN RS485/RR
RR
SS
SS
22
22
33
33
22
22
DE485/T2IN DI/T1IN Z(B)/T1OUT Y(A)/T2OUT
0 1 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. MAX3160
INPUTS OUTPUTS
SHDN RS485/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. MAX3161
INPUTS OUTPUTS
SHDN DE485 DI Z Y
0 X X High-Z High-Z
X 0 X High-Z High-Z
110 1 0
111 0 1
Table 9. MAX3162
INPUTS OUTPUT
RS485/RS232 SHDN HDPLX A - B* Y - Z* RO/R2OUT
1 0 X X X High-Z 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. MAX3160
* Y and Z correspond to pins Y(A)/T2OUT and Z(B)/T1OUT. A and B correspond to pins A/R2IN and B/R1IN.
Truth Tables (continued)
RS-485/422 Receivers
RS-485/422 Drivers
Maxim Integrated
17
MAX3160/MAX3161/MAX3162