MAX232ECSLASHD datasheet(6/26 Pages) AD

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NAME

FUNCTION

DIP/SO/TSSOP

LCC

1, 3

2, 4

C1+, C1-

Terminals for Positive Charge-Pump Capacitor

V+

+2VCC Voltage Generated by the Charge Pump

4, 5

5, 7

C2+, C2-

Terminals for Negative Charge-Pump Capacitor

-2VCC Voltage Generated by the Charge Pump

7, 14

9, 18

T_OUT

RS-232 Driver Outputs

8, 13

10, 17

R_IN

RS-232 Receiver Inputs

9, 12

12, 15

R_OUT

RS-232 Receiver Outputs

10, 11

13, 14

T_IN

RS-232 Driver Inputs

GND

Ground

VCC

+4.5V to +5.5V Supply-Voltage Input

—

1, 6, 11, 16

N.C.

No Connection—Not Internally Connected

NAME

FUNCTION

DIP

1, 2

T_IN

RS-232 Driver Inputs

3, 20

R_OUT

RS-232 Receiver Outputs

4,19

4, 19

R_IN

RS-232 Receiver Inputs

5,18

5, 18

T_OUT

RS-232 Transmitter Outputs

6, 9

GND

Ground

VCC

+4.5V to +5.5V Supply-Voltage Input

C1+

Make no connection to this pin.

10, 16

11, 16

C2-

Connect pins together.

12, 17

10, 17

V-

-2VCC Voltage Generated by the Charge Pump. Connect pins together.

C1-

Make no connection to this pin.

V+

+2VCC Voltage Generated by the Charge Pump

11, 15

12, 15

C2+

Connect pins together.

NAME

FUNCTION

1–4, 19

T_OUT

RS-232 Driver Outputs

5, 10, 13, 18, 24

R_IN

RS-232 Receiver Inputs

6, 9, 14, 17, 23

R_OUT

TTL/CMOS Receiver Outputs. All receivers are inactive in shutdown.

7, 8, 15, 16, 22

T_IN

TTL/CMOS Driver Inputs. Internal pullups to VCC.

GND

Ground

VCC

+4.75V to +5.25V Supply Voltage

Receiver Enable—Active Low

SHDN

Shutdown Control—Active High

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Analog Devices │ 6

MAX202E–MAX213E,

MAX232E/MAX241E

±15kV ESD-Protected,

5V RS-232 Transceivers

Pin Descriptions

MAX202E/MAX232E

MAX203E

MAX205E

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