SP2209E Datasheet, PDF (13/15 Pages) Sipex Corporation – High ESD Dual Port RS-232 Transceiver

Super
I/O Chip
+
0.1µF
11
C+
29 _C-
9
STBY
VDD ¹⁰
SP2209E _V- 30
GND ²⁸
+3.3V to +5V
0.1µF ^+12V
0.1µF
0.1µF
DCD 5 R₁OUTA
DSR ₄ R₂OUTA
RXD 3 R₃OUTA
RTS ₈ T₁INA 400KΩ
TXD 7 T₂INA 400KΩ
CTS 2 ^R₄^OUTA
DTR 6 T₃INA 400KΩ
RI
1 ^R5^OUTA
R₁INA ₃₄
5KΩ
R₂INA 35
5KΩ
R₃INA ₃₆
5KΩ
T₁OUTA ₃₁
T₂OUTA ₃₂
R₄INA ₃₇
5KΩ
T₃OUTA 33
R₅INA ₃₈
5KΩ
DCD
DSR
RXD
RTS
TXD
CTS
DTR
RI
DCD 15 R₁OUTB
DSR ₁₆ R₂OUTB
RXD 17 R₃OUTB
RTS ₁₂ T₁INB 400KΩ
TXD 13 T₂INB 400KΩ
R₁INB ₂₄
5KΩ
R₂INB 23
5KΩ
R₃INB ₂₂
5KΩ
T₁OUTB 27
T₂OUTB 26
CTS 18 ^R₄^OUTB
R₄INB ₂₁
5KΩ
DTR 14 T₃INB 400KΩ
RI 19 ^R₅^OUTB
T₃OUTB 25
R₅INB ₂₀
5KΩ
DCD
DSR
RXD
RTS
TXD
CTS
DTR
RI
DB-9
Connector
COM1
1
6
2
7
3
8
4
9
5
DB-9
Connector
COM2
1
6
2
7
3
8
4
9
5
Figure 13. Dual Serial Port Application with Two DB9 Connectors
SP2209E DS/06
SP2209E High ESD Dual Port RS-232 Transceivers
13
© Copyright 2000 Sipex Corporation