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Part Name
Description
SP3203E View Datasheet(PDF) - Exar Corporation
Part Name
Description
Manufacturer
SP3203E
3V RS-232 Serial Transceiver with Logic Selector and 15kV ESD Protection
Exar Corporation
SP3203E Datasheet PDF : 16 Pages
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+3V to +5.5V
TYPICAL OPERATING CIRCUIT
+
20
19
C5
0.1µF
1
Shutdown
C1+
V
CC
+
C1
0.1µF
3 C1-
12
V
L
V+
4 C2+
SP3203E
V-
+
C2
0.1µF
5 C2-
2
+
C3 0.1µF
6
C4 0.1µF
+
TTL/CMOS
INPUTS
7 T
1
IN
8 T
2
IN
9 T
3
IN
T
1
OUT 17
T
2
OUT 16
T
3
OUT 15
RS-232
OUTPUTS
TTL/CMOS
OUTPUTS
11 R
1
OUT
10 R
2
OUT
R
1
IN 14
5KΩ
R
2
IN
13
5KΩ
RS-232
INPUTS
GND
18
Figure 1. SP3203E Typical Operating Circuit
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510)668-7017 • www.exar.com
SP3203E_100_120810
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