MAX3232 datasheet(12/16 Pages) TGS

12 / 16 page

SYSTEM

POWER-

SUPPLY

VOLTAGE

(V)

MAX32_ _

VCC

SUPPLY

VOLTAGE

(V)

COMPATIBILITY

3.3

Compatible with all CMOS

families.

Compatible with all TTL

and CMOS-logic families.

3.3

Compatible with ACT and

HCT CMOS, and with TTL.

Incompatible with AC, HC,

and CD4000 CMOS.

Interconnection with 3V and 5V Logic

The MAX3222/MAX3232/MAX3237/MAX3241 can

directly interface with various 5V logic families, includ-

ing ACT and HCT CMOS. See Table 3 for more informa-

tion on possible combinations of interconnections.

Table 3. Logic-Family Compatibility

with Various Supply Voltages

Typical Operating Circuits

+3.3V

0.1

2 C1+

C1-

C2+

C2-

12 T1IN

VCC

MAX3222

V+

V-

T1OUT 15

0.1 F

+3.3V

0.1 F

1 C1+

C1-

C2+

C2-

11 T1IN

VCC

MAX3232

V+

V-

T1OUT 14

0.1 F

TTL/CMOS

INPUTS

11 T2IN

T2OUT 8

RS-232

OUTPUTS

TTL/CMOS

INPUTS

10 T2IN

T2OUT 7

RS-232

OUTPUTS

TTL/CMOS

OUTPUTS

R1OUT

10 R2OUT

R1IN 14

R2IN

RS-232

INPUTS

TTL/CMOS

OUTPUTS

R1OUT

9 R2OUT

R1IN 13

R2IN

RS-232

INPUTS

GND

SHDN

GND

PIN NUMBERS REFER TO DIP/SO PACKAGES.

* C3 CAN BE RETURNED TO EITHER VCC OR GROUND.

SEE TABLE 2 FOR CAPACITOR SELECTION

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