Datasheet

+3.0V to+5.5V, 1µA, RS-232/RS-485/422
Multiprotocol Transceivers
Pin Description (continued)
PIN
MAX3160 MAX3161 MAX3162
NAME FUNCTION
13 — — A/R2IN
Noninverting RS-485/422 Receiver Input/RS-232
Receiver Input
14 — — B/R1IN
Inverting RS-485/422 Receiver Input/RS-232 Receiver
Input
——15RE232
RS-232 Receiver Enable. Logic-level low enables RS-
232 receivers.
— 15 17 A Noninverting RS-485/422 Receiver Input
15 19 — DE485/T2IN RS-485/RS-422 Driver Enable/RS-232 Driver Input
— — 16 TE232 RS-232 Transmitter Output Enable
— 16 18 B Inverting RS-485/422 Receiver Input
16 20 — DI/T1IN RS-485/RS-422 Driver Input/RS-232 Driver Input
— 17 19 R2IN RS-232 Receiver Input
17 21 25 V- Negative Charge-Pump Rail
— 18 20 R1IN RS-232 Receiver Input
18 22 26 C2- Negative Terminal of the Negative Flying Capacitor
19 23 27 C2+ Positive Terminal of the Negative Flying Capacitor
20 24 28 V+ Positive Charge-Pump Rail
— — 21 T2IN RS-232 Driver Input
— — 22 DE485 RS-485/RS-422 Driver Enable
— — 23 DI RS-485/RS-422 Driver Input
— — 24 T1IN RS-232 Driver Input
Maxim Integrated
9
MAX3160/MAX3161/MAX3162