Datasheet

+3.0V to+5.5V, 1µA, RS-232/RS-485/422
Multiprotocol Transceivers
Pin Description
PIN
MAX3160 MAX3161 MAX3162
NAME FUNCTION
1 1 1 C1+ Positive Terminal of the Positive Flying Capacitor
222V
CC
Positive Supply Voltage
3 3 3 C1- Negative Terminal of the Positive Flying Capacitor
4 4 4 GND Ground
— 5 5 T1OUT RS-232 Driver Output
5 — — Z(B)/T1OUT
Inverting RS-485/422 Driver Output in Full-Duplex Mode
(and Inverting RS-485/422 Receiver Input in Half-Duplex
Mode)/RS-232 Driver Output
— — 6 Z Inverting RS-485/422 Driver Output
— 6 — Z(B)
Inverting RS-485/422 Driver Output in Full-Duplex Mode
(and Inverting RS-485/422 Receiver Input in Half-Duplex
Mode)
6 — — Y(A)/T2OUT
Noninverting RS-485/422 Driver Output in Full-Duplex
Mode (and Noninverting RS-485/422 Receiver Input in
Half-Duplex Mode)/RS-232 Driver Output
— — 7 Y Noninverting RS-485/422 Driver Output
— 7 — Y(A)
Noninverting RS-485/422 Driver Output in Full-Duplex
Mode (and Noninverting RS-485/422 Receiver Input in
Half-Duplex Mode)
7 9 9 R1OUT RS-232 Receiver Output
— 8 8 T2OUT RS-232 Driver Output
8 10 — RO/R2OUT RS-485/422 Receiver Output/RS-232 Receiver Output
91113SHDN
Active-Low Shutdown-Control Input. Drive low to shut
down transmitters and charge pump.
— — 10 R2OUT RS-232 Driver Output
10 12 14 FAST
Select slew rate limiting for both RS-232 and RS-
485/422. Slew rate limits with a logic-level low.
— — 11 RO RS-485/422 Receiver Output
11 13 — RS485/RS232
Software-Programmable Pin Functionality. Operates as
RS-485/422 with a logic-level high; operates as RS-232
with a logic-level low.
——12RE485
RS-485/422 Receiver Enable. Logic-level low enables
RS-485/422 receivers.
12 14 — HDPLX
Software-Programmable Pin Functionality. Operates in
full-duplex mode when low; operates in half-duplex
mode when high.
8
Maxim Integrated
MAX3160/MAX3161/MAX3162