ST202BDR datasheet(3/18 Pages) STMICROELECTRONICS

Part #	ST202BDR

Description	5V Powered multi-channel RS-232 drivers and receivers

PDF	18 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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3 / 18 page

ST202

Pin configuration

3/18

Pin configuration

Figure 1.

Pin connections (top view)

Table 1.

Pin description

PlN N°

SYMBOL

NOTE

1C1+

Positive terminal for the first charge pump capacitor

V+

Doubled voltage terminal

3C1-

Negative terminal for the first charge pump capacitor

4C2+

Positive terminal for the second charge pump capacitor

5C2-

Negative terminal for the second charge pump capacitor

V-

Inverted voltage terminal

7T2OUT

Second transmitter output voltage

8R2IN

Second receiver input voltage

9R2OUT

Second receiver output voltage

T2IN

Second transmitter input voltage

T1IN

First transmitter input voltage

R1OUT

First receiver output voltage

R1IN

First receiver input voltage

T1OUT

First transmitter output voltage

GND

Ground

VCC

Supply voltage

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