ST207EATR Просмотр технического описания (PDF) - STMicroelectronics

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производитель

ST207EATR

± 15kV ESD protected 5V RS-232 transceiver

STMicroelectronics 

ST207E

1

Pin configuration

Figure 1. Pin connections (top view)

Pin configuration

Table 1. Pin description

PlN 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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