MAX203EWPTG36 View Datasheet(PDF) - Maxim Integrated

Part Name

Description

Manufacturer

MAX203EWPTG36

±15kV ESD-Protected, 5V RS-232 Transceivers

Maxim Integrated 

MAX202E–MAX213E,

MAX232E/MAX241E

±15kV ESD-Protected,

5V RS-232 Transceivers

Table 3. DB9 Cable Connections

Commonly Used for EIA/TIA-232E and

V.24 Asynchronous Interfaces

PIN

CONNECTION

Received Line Signal

1

Detector (sometimes

called Carrier Detect,

DCD)

Handshake from DCE

2 Receive Data (RD)

Data from DCE

3 Transmit Data (TD)

Data from DTE

4 Data Terminal Ready

Handshake from DTE

5 Signal Ground

Reference point for sig-

nals

6 Data Set Ready (DSR) Handshake from DCE

7 Request to Send (RTS) Handshake from DTE

8 Clear to Send (CTS)

9 Ring Indicator

Handshake from DCE

Handshake from DCE

Pin Configurations and Typical Operating Circuits (continued)

TOP VIEW

C1+ 1

V+ 2

C1- 3

C2+ 4

C2- 5

V- 6

T2OUT 7

R2IN 8

MAX202E

MAX232E

16 VCC

15 GND

14 T1OUT

13 R1IN

12 R1OUT

11 T1IN

10 T2IN

9 R2OUT

DIP/SO/TSSOP

PIN NUMBERS ON TYPICAL OPERATING CIRCUIT REFER TO DIP/SO/TSSOP PACKAGE, NOT LCC.

* 1.0μF CAPACITORS, MAX232E ONLY.

+5V INPUT

0.1μF*

6.3V

0.1μF*

16V

0.1μF

0.1μF*

6.3V

16

1 C1+

VCC

V+ 2

3

4

+5V TO +10V

C1- VOLTAGE DOUBLER

C2+

V- 6

5

+10V TO -10V

C2- VOLTAGE INVERTER

+10V

-10V

0.1μF*

16V

11 T1IN

T1

TTL/CMOS

INPUTS

10 T2IN

T2

T1OUT 14

T2OUT 7

TTL/CMOS

OUTPUTS

12 R1OUT

9 R2OUT

R1

5kΩ

R2

5kΩ

GND

15

R1IN 13

R2IN 8

RS-232

OUTPUTS

RS-232

INPUTS

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