ST3243 datasheet(3/20 Pages) STMICROELECTRONICS

部件名	ST3243

功能描述	3 to 5.5V, 400Kbps, RS-232 Transceiver with auto-powerdown

PDF	20 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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ST3243

Pin configuration

3/20

Pin configuration

Figure 1.

Pin configuration

Table 1.

Pin description

Pin n°

Symbol

Name and function

1C2+

Positive terminal of inverting charge pump capacitor

2C2-

Negative terminal of inverting charge pump capacitor

V-

-5.5V Generated by the charge pump

4R1IN

First receiver input voltage

5R2IN

Second receiver input voltage

6R3IN

Third receiver input voltage

7R4IN

Fourth receiver input voltage

8R5IN

Fifth receiver input voltage

9T1OUT

First transmitter output voltage

T2OUT

Second transmitter output voltage

T3OUT

Third transmitter output voltage

T3IN

Third transmitter input voltage

T2IN

Second transmitter input voltage

T1IN

First transmitter input voltage

R5OUT

Fifth receiver output voltage

R4OUT

Fourth receiver output voltage

R3OUT

Third receiver output voltage

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