ST3237(2007) Ver la hoja de datos (PDF) - STMicroelectronics

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ST3237
(Rev.:2007)

3 to 5.5V, 250Kbps, RS-232 Transceiver with stand-by

STMicroelectronics 

Pin configuration

ST3237

Table 1. Pin description

PlN N°

SYMBOL

NAME AND FUNCTION

19

T4IN

Fourth Transmitter Input Voltage

20

R2OUT

Second Receiver Output Voltage

21

R1OUT

First Receiver Output Voltage

22

T3IN

Third Transmitter Input Voltage

23

T2IN

Second Transmitter Input Voltage

24

T1N

First Transmitter Input Voltage

25

C1-

Negative Terminal of Voltage- Charge Pump Capacitor

) 26

VCC

Supply Voltage

t(s 27

V+

-5.5V Generated by the Charge Pump

OObbssoolleettee PPrroodduucctt((ss)) -- OObbssoolleettee PPrroodduucct(s) 28

C1+

Positive Terminal of Voltage- Charge Pump Capacitor

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