SP2209E Datasheet, PDF (4/17 Pages) Sipex Corporation – High ESD Dual Port RS-232 Transceiver

NAME
FUNCTION
R₅OUTA
R₄OUTA
R₃OUTA
R₂OUTA
R₁OUTA
T₃INA
T₂INA
T₁INA
STBY
V_DD
C+
+3.3V to +5V TTL/CMOS logic level receiver output for port A
+3.3V to +5V TTL/CMOS logic level receiver output for port A
+3.3V to +5V TTL/CMOS logic level receiver output for port A
+3.3V to +5V TTL/CMOS logic level receiver output for port A
+3.3V to +5V TTL/CMOS logic level receiver output for port A
+3.3V to +5V TTL/CMOS logic level driver input for port A
+3.3V to +5V TTL/CMOS logic level driver input for port A
+3.3V to +5V TTL/CMOS logic level driver input for port A
+3.3V to +5V standby power supply for receivers R₅OUTA and R₅OUTB
+12V Power Supply
Positive terminal for the polarized C1 charge pump capacitor
T₁INB
T₂INB
T₃INB
R₁OUTB
R₂OUTB
R₃OUTB
R₄OUTB
R₅OUTB
R₅INB
R₄INB
R₃INB
R₂INB
R₁INB
T₁OUTB
T₂OUTB
T₃OUTB
GND
+3.3V to +5V TTL/CMOS logic level driver input for port B
+3.3V to +5V TTL/CMOS logic level driver input for port B
+3.3V to +5V TTL/CMOS logic level driver input for port B
+3.3V to +5V TTL/CMOS logic level receiver output for port B
+3.3V to +5V TTL/CMOS logic level receiver output for port B
+3.3V to +5V TTL/CMOS logic level receiver output for port B
+3.3V to +5V TTL/CMOS logic level receiver output for port B
+3.3V to +5V TTL/CMOS logic level receiver output for port B
RS-232 receiver input for port B
RS-232 receiver input for port B
RS-232 receiver input for port B
RS-232 receiver input for port B
RS-232 receiver input for port B
RS-232 driver output for port B
RS-232 driver output for port B
RS-232 driver output for port B
Ground
C-
Negative terminal for the polarized C1 charge pump capacitor
V-
-12V output generated by the charge pump at the negative terminal of the
polarized C2 charge pump capacitor
T₁OUTA
T₂OUTA
T₃OUTA
R₁INA
R₂INA
R₃INA
R₄INA
R₅INA
RS-232 driver output for port A
RS-232 driver output for port A
RS-232 driver output for port A
RS-232 receiver input for port A
RS-232 receiver input for port A
RS-232 receiver input for port A
RS-232 receiver input for port A
RS-232 receiver input for port A
Table 1. Device Pin Description
Pin Function
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com

SP2209E_100_071612