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ST3237 Datasheet(PDF) 3 Page - STMicroelectronics

No. de Pieza. ST3237
Descripción  3 TO 5.5V, 250KBPS, RS-232 TRANSCEIVER WITH STAND-BY
Descarga  15 Pages
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Fabricante  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
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ST3237 Datasheet(HTML) 3 Page - STMicroelectronics

 
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ST3237
Pin configuration
3/15
1
Pin configuration
Figure 1.
Pin description
Table 1.
Pin description
PlN N°
SYMBOL
NAME AND FUNCTION
1C2+
Positive Terminal of Inverting Charge Pump Capacitor
2
GND
Ground
3C2-
Negative Terminal of Inverting Charge Pump Capacitor
4
V-
5.5V Generated by the Charge Pump
5T1OUT
First Transmitter Output Voltage
6T2OUT
Second Transmitter Output Voltage
7T3OUT
Third Transmitter Output Voltage
8R1IN
First Receiver Input Voltage
9R2IN
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. Connect to GND for normal
operation; connect 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


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