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

Up to 1Mbps, True RS-232 Transceivers

_____________________________________Typical Operating Circuits (continued)

EN

B3

R5OUT

A3

R4OUT

A2

R3OUT

A1

R2OUT

B1

R1OUT

C2

TTL/CMOS

OUTPUTS

5k

Ω

5k

Ω

5k

Ω

5k

Ω

5k

Ω

R5IN C6

*C3 CAN BE RETURNED TO EITHER VCC OR GROUND.

R4IN B6

R3IN A6

R2IN

A5

R1IN A4

RS-232

INPUTS

SHDN

B2

GND

F5

RS-232

OUTPUTS

TTL/CMOS

INPUTS

T3IN

D2

T2IN

E2

T1IN

E3

C2-

D1

C2+

E1

C1-

F4

C1+

F3

T3OUT D6

T2OUT E6

T1OUT F6

V-

C1

V+

F1

VCC

C4

0.1

µF

C3

*

0.1

µF

C1

0.1

µF

C2

0.1

µF

F2

+3.3V

CBYPASS

MAX3246E

20

Maxim Integrated

MAX3222E/MAX3232E/MAX3237E/

MAX3241E/MAX3246E