ST3237EB_07 datasheet(3/18 Pages) STMICROELECTRONICS

No de pièce	ST3237EB

Description	± 15 kV ESD protected, 1 μA, 3 to 5.5 V, 250 kbps RS-232 transceiver with stand-by

PDF	18 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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3 / 18 page

ST3237EB

Pin configuration

3/18

Pin configuration

Figure 1.

Pin connection

Table 2.

Pin description

Pin n°

Symbol

Name and function

1C2+

Positive Terminal of Inverting Charge Pump Capacitor

GND

Ground

3C2-

Negative terminal of inverting charge pump capacitor

V-

5.5V generated by the charge pump

5T1OUT

First transmitter output voltage

6T2OUT

Second transmitter output voltage

7T3OUT

Third transmitter output voltage

8R1IN

First receiver input voltage

9R2IN

Second receiver input voltage

T4OUT

Fourth transmitter output voltage

R3IN

Third receiver input voltage

T5OUT

Fifth transmitter output voltage

Receiver enable, active low

SHDN

Shutdown control, active low

VHSCI

Very high speed control input. Connect to GND for normal

operation; connect to VCC for 1 Mbps transmission rates.

R1OUTB

Non inverting complementary receiver output. Always active.

T5IN

Fifth transmitter input voltage

R3OUT

Third receiver output voltage

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