SP3203ECY-L Datasheet, PDF (5/16 Pages) Exar Corporation – 3V RS-232 Serial Transceiver with Logic Selector and 15kV ESD Protection

+3V to +5.5V
TYPICAL OPERATING CIRCUIT
+
20
19
C5
0.1µF
1
Shutdown
C1+
VCC
+
C1 0.1µF _{3 C1-}
12
VL
V+
4 C2+ _SP3203E
V-
+
C2 0.1µF
5 C2-
2
+
C3 0.1µF
6
C4 0.1µF
+
TTL/CMOS
INPUTS
7 T₁IN
8 T₂IN
9 T₃IN
T₁OUT 17
T₂OUT 16
T₃OUT 15
RS-232
OUTPUTS
TTL/CMOS
OUTPUTS
11 R₁OUT
10 R₂OUT
R₁IN 14
5KΩ
R₂IN ₁₃
5KΩ
RS-232
INPUTS
GND
18
Figure 1. SP3203E Typical Operating Circuit
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • [phone] • www.exar.com

SP3203E_100_120810