ST3237ECD Ver la hoja de datos (PDF) - STMicroelectronics

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Lista de partido

ST3237ECD

±15KV ESD-PROTECTED, 1µA, 3 TO 5.5V, 250KBPS, RS-232 TRANSCEIVER WITH STAND-BY

STMicroelectronics 

ST3237E

PIN DESCRIPTION

PlN N°

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

SYMBOL

C2+

GND

C2-

V-

T1OUT

T2OUT

T3OUT

R1IN

R2IN

T4OUT

R3IN

T5OUT

EN

SHDN

VHSCI

R1OUTB

T5IN

R3OUT

T4IN

R2OUT

R1OUT

T3IN

T2IN

T1N

C1-

VCC

V+

C1+

NAME AND FUNCTION

Positive Terminal of Inverting Charge Pump Capacitor

Ground

Negative Terminal of Inverting Charge Pump Capacitor

-5.5V Generated by the Charge Pump

First Transmitter Output Voltage

Second Transmitter Output Voltage

Third Transmitter Output Voltage

First Receiver Input Voltage

Second Receiver Input Voltage

Fourth Transmitter Output Voltage

Third Receiver Input Voltage

Fifth Transmitter Output Voltage

Receiver Enable, Active Low

Shutdown Control, Active Low

Very High Speed Control Input. Connected to GND for normal

operation; connected to VCC for 1Mbps transmission rates.

Non Inverting Complementary Receiver Output. Always Active.

Fifth Transmitter Input Voltage

Third Receiver Output Voltage

Fourth Transmitter Input Voltage

Second Receiver Output Voltage

First Receiver Output Voltage

Third Transmitter Input Voltage

Second Transmitter Input Voltage

First Transmitter Input Voltage

Negative Terminal of Voltage-Doubler Charge Pump Capacitor

Supply Voltage

5.5V Generated by the Charge Pump

Positive Terminal of Voltage-Doubler Charge Pump Capacitor

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