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ST3237ECPR Datasheet(PDF) 2 Page - STMicroelectronics

No. de pieza ST3237ECPR
Descripción Electrónicos  ®5KV ESD-PROTECTED, 1mA, 3 TO 5.5V, 250KBPS, RS-232 TRANSCEIVER WITH STAND-BY
PDF  15 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST3237ECPR Datasheet(HTML) 2 Page - STMicroelectronics

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Table 2: Pin Description
PlN N°
SYMBOL
NAME AND FUNCTION
1
C2+
Positive Terminal of Inverting Charge Pump Capacitor
2
GND
Ground
3
C2-
Negative Terminal of Inverting Charge Pump Capacitor
4
V-
-5.5V Generated by the Charge Pump
5
T1OUT
First Transmitter Output Voltage
6
T2OUT
Second Transmitter Output Voltage
7
T3OUT
Third Transmitter Output Voltage
8
R1IN
First Receiver Input Voltage
9
R2IN
Second Receiver Input Voltage
10
T4OUT
Fourth Transmitter Output Voltage
11
R3IN
Third Receiver Input Voltage
12
T5OUT
Fifth Transmitter Output Voltage
13
EN
Receiver Enable, Active Low
14
SHDN
Shutdown Control, Active Low
15
VHSCI
Very High Speed Control Input. Connected to GND for normal
operation; connected to VCC for 1Mbps transmission rates.
16
R1OUTB
Non Inverting Complementary Receiver Output. Always Active.
17
T5IN
Fifth Transmitter Input Voltage
18
R3OUT
Third Receiver Output Voltage
19
T4IN
Fourth Transmitter Input Voltage
20
R2OUT
Second Receiver Output Voltage
21
R1OUT
First Receiver Output Voltage
22
T3IN
Third Transmitter Input Voltage
23
T2IN
Second Transmitter Input Voltage
24
T1N
First Transmitter Input Voltage
25
C1-
Negative Terminal of Voltage-Doubler Charge Pump Capacitor
26
VCC
Supply Voltage
27
V+
5.5V Generated by the Charge Pump
28
C1+
Positive Terminal of Voltage-Doubler Charge Pump Capacitor



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