ST207EB View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST207EB

±15kV ESD protected 5V RS-232 transceiver

STMicroelectronics 

ST207EB - ST207EC

1

Pin configuration

Figure 1. Pin connections (top view)

Pin configuration

Table 2. Pin description

Pin N°

Symbol

Note

1

T3OUT RS-232 driver output

2

T1OUT RS-232 driver output

3

T2OUT RS-232 driver output

4

R1IN RS-232 receiver input

5

R1OUT TTL/CMOS receiver output

6

T2IN

TTL/CMOS driver input internal pull-up to VCC

7

T1IN

TTL/CMOS driver input internal pull-up to VCC

8

GND Ground

9

VCC

4.75V to 5.25V supply voltage

10

C1+

Terminal for positive charge-pump capacitor

11

V+

2VCC generated by the charge-pump

12

C1-

Terminal for negative charge-pump capacitor

13

C2+

Terminal for positive charge-pump capacitor

14

C2-

Terminal for negative charge-pump capacitor

15

V-

-2VCC generated by the charge-pump

16

R3IN RS-232 receiver input

17

R3OUT TTL/CMOS receiver output

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