±15kV ESD-Protected, +3.0V to +5.5V, 10nA,

RS-232/RS-485/RS-422 Multiprotocol Transceivers

10

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Pin Description (continued)

PIN

MAX3160E

MAX3161E

MAX3162E

NAME

FUNCTION

13

—

—

A/R2IN

Noninverting RS-485/RS-422 Receiver Input/RS-232 Receiver

Input

14

—

—

B/R1IN

Inverting RS-485/RS-422 Receiver Input/RS-232 Receiver Input

——

15

RE232

RS-232 Receiver Enable. Logic-level low enables

RS-232 receivers.

—1517A

Noninverting RS-485/RS-422 Receiver Input

15

19

—

DE485/T2IN

RS-485/RS-422 Driver Enable/RS-232 Driver Input

——

16

TE232

RS-232 Transmitter Output Enable

—1618B

Inverting RS-485/RS-422 Receiver Input

16

20

—

DI/T1IN

RS-485/RS-422 Driver Input/RS-232 Driver Input

—1719

R2IN

RS-232 Receiver Input

17

21

25

V-

Negative Charge-Pump Rail

—1820

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 Input

——

23

DI

RS-485/RS-422 Driver Input

——

24

T1IN

RS-232 Driver Input