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STLV3243E Datasheet(PDF) 2 Page - STMicroelectronics

Part No. STLV3243E
Description  ±15KV ESD PROTECTED 2.3 TO 5.5V, 400KBPS, RS-232 TRANSCEIVER WITH AUTO-POWERDOWN
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STLV3243E Datasheet(HTML) 2 Page - STMicroelectronics

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STLV3243E
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Table 2: Pin Description
PlN N°
SYMBOL
NAME AND FUNCTION
A1
R2IN
Second Receiver Input Voltage
A2
R3IN
Third Receiver Input Voltage
A3
R4IN
Fourth Receiver Input Voltage
A4
R5IN
Fifth Receiver Input Voltage
A5
T1OUT
First Transmitter Output Voltage
A6
T2OUT
Second Transmitter Output Voltage
B1
V-
-5.5V Generated by the Charge Pump
B2
R1IN
First Receiver Input Voltage
B3
T3OUT
Third Transmitter Output Voltage
B4
T3IN
Third Transmitter Input Voltage
B5
T1IN
First Transmitter Input Voltage
B6
T2IN
Second Transmitter Input Voltage
C1
C2+
Positive Terminal of Inverting Charge Pump Capacitor
C2
C2-
Negative Terminal of Inverting Charge Pump Capacitor
C5
R4OUT
Fourth Receiver Output Voltage
C6
R5OUT
Fifth Receiver Output Voltage
D1
C1+
Positive Terminal of Voltage- Charge Pump Capacitor
D2
V+
5.5V Generated by the Charge Pump
D3
VCC
Supply Voltage
D4
FORCEON
Drive high to override automatic circuitry keeping transmitters
on (FORCEOFF must be high)
D5
R1OUT
First Receiver Output Voltage
D6
R3OUT
Third Receiver Output Voltage
E1
GND
Ground
E2
C1-
Negative Terminal of Voltage- Charge Pump Capacitor
E3
FORCEOFF
Drive low to shut down transmitters and on-board power
supply. This over-rides all automatic circuitry and FORCEON
E4
INVALID
Output of the valid signal detector. Indicates if a valid RS-232
level is present on receiver inputs logic "1"
E5
R2OUTB
Non-inverting Complementary Receiver Output, always active
for wake-up
E6
R2OUT
Second Receiver Output Voltage


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