ST75185C データシートの表示（PDF） - STMicroelectronics

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ST75185C

Multiple RS-232 drivers and receivers

STMicroelectronics 

ST75185C

1

Pin configuration

Figure 1. Pin connection IEC logic symbol and logic diagram

Pin configuration

Table 2. Pin description

Pin n°

Symbol

Name and function

1

VDD

Supply voltage (+12 V)

2

RA1

First receiver input

3

RA2

Second receiver input

4

RA3

Third receiver input

5

DY1

First driver output

6

DY2

Second driver output

7

RA4

Fourth receiver input

8

DY3

Third driver output

9

RA5

Fifth receiver input

10

VSS

Supply voltage (-12V)

11

GND

Ground

12

RY5

Fifth receiver output

13

DA3

Third driver input

14

RY4

Fourth receiver output

15

DA2

Second driver input

16

DA1

First driver input

17

RY3

Third receiver output

18

RY2

Second receiver output

19

RY1

First receiver output

20

VCC

Supply voltage (+5 V)

Doc ID 6228 Rev 18

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