SP3203ECY-L Datasheet, PDF (6/16 Pages) Exar Corporation – 3V RS-232 Serial Transceiver with Logic Selector and 15kV ESD Protection

Name
C1+
V+
C1-
C2+
C2-
V-
T₁IN
T₂IN
T₃IN
R₂OUT
R₁OUT
V_L
R₂IN
R₁IN
T₃OUT
T₂OUT
T₁OUT
GND
Vcc
SHUTDOWN
Function
Positive terminal of the voltage doubler charge-pump capacitor
Regulated +5.5V output generated by charge pump
Negative terminal of the voltage doubler charge-pump capacitor
Positive terminal of the inverting charge-pump capacitor
Negative terminal of the inverting charge-pump capacitor
Regulated -5.5V output generated by charge pump
TTL/CMOS driver input
TTL/CMOS driver input
TTL/CMOS driver input
TTL/CMOS receiver output
TTL/CMOS receiver output
Logic-Level Supply Voltage Selection
RS-232 receiver input
RS-232 receiver input
RS-232 Driver output
RS-232 Driver output
RS-232 Driver output
Ground
+3.0V to +5.5V supply voltage
Apply logic LOW to shut down drivers and charge pump.
PIN DESCRIPTION
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • [phone] • www.exar.com

SP3203E_100_120810