ST3241EB_10 datasheet(4/13 Pages) STMICROELECTRONICS

No de pièce	ST3241EB

Description	±15 kV ESD protected 3 to 5.5 V, 400 kbps, RS-232 transceiver with auto-power-down

PDF	13 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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4 / 13 page

Pin configuration

ST3241EB - ST3241EC

4/13

Doc ID 9066 Rev 5

R3OUT

Third receiver output voltage

R2OUT

Second receiver output voltage

R1OUT

First receiver output voltage

R2OUTB

Non-inverting complementary receiver output, always active for wake-up

R1OUTB

Non-inverting complementary receiver output, always active for wake-up

SHDN

Shutdown control. Active low.

Receiver enable. Active low

C1-

Negative terminal of voltage - charge pump capacitor

GND

Ground

VCC

Supply voltage

V+

5.5 V Generated by the charge pump

C1+

Positive terminal of voltage - charge pump capacitor

Table 3.

Shutdown and enable control truth table

SHDN

TOUT

ROUT

ROUTB

HIGH Z

ACTIVE

HIGH Z

ACTIVE

HIGH Z

ACTIVE

Table 2.

Pin description (continued)

number

Symbol

Name and function

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