ST207EB_07 datasheet(3/15 Pages) STMICROELECTRONICS

部件名	ST207EB

功能描述	/-15 kV ESD protected 5 V RS-232 transceiver

PDF	15 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

3 / 15 page

ST207EB - ST207EC

Pin configuration

3/15

Pin configuration

Figure 1.

Pin connections (top view)

Table 2.

Pin description

Pin N°

Symbol

Note

1T3OUT

RS-232 driver output

2T1OUT

RS-232 driver output

3T2OUT

RS-232 driver output

4R1IN

RS-232 receiver input

5R1OUT

TTL/CMOS receiver output

6T2IN

TTL/CMOS driver input internal pull-up to VCC

7T1IN

TTL/CMOS driver input internal pull-up to VCC

GND

Ground

9VCC

4.75V to 5.25V supply voltage

C1+

Terminal for positive charge-pump capacitor

V+

2VCC generated by the charge-pump

C1-

Terminal for negative charge-pump capacitor

C2+

Terminal for positive charge-pump capacitor

C2-

Terminal for negative charge-pump capacitor

V-

-2VCC generated by the charge-pump

R3IN

RS-232 receiver input

R3OUT

TTL/CMOS receiver output

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