ST3243B(2011) Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

fabricante

ST3243B
(Rev.:2011)

3 to 5.5 V, 400 kbps, RS-232 transceiver with auto-power-down

STMicroelectronics 

Pin configuration

2

Pin configuration

Figure 1. Pin configuration

ST3243B ST3243C

Table 2. Pin description

Pin n°

Symbol

1

C2+

2

C2-

3

V-

4

R1IN

5

R2IN

6

R3IN

7

R4IN

8

R5IN

9

T1OUT

10

T2OUT

11

T3OUT

12

T3IN

13

T2IN

Name and function

Positive terminal of inverting charge pump capacitor

Negative terminal of inverting charge pump capacitor

- 5.5 V generated by the charge pump

First receiver input voltage

Second receiver input voltage

Third receiver input voltage

Fourth receiver input voltage

Fifth receiver input voltage

First transmitter output voltage

Second transmitter output voltage

Third transmitter output voltage

Third transmitter input voltage

Second transmitter input voltage

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Doc ID 7539 Rev 10

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