sp3223ebcy-tr Exar Corporation, sp3223ebcy-tr Datasheet - Page 5

• Manufacturer Part Number: sp3223ebcy-tr
• Description: Sp3223eb -intelligent +3.0v To +5.5v Rs-232 Transceivers
• Manufacturer: Exar Corporation

Date: 10/06/06
Figure 1. SP3223 Typical Operating Circuit
To µP Supervisor
Circuit
TTL/CMOS
TTL/CMOS
OUTPUTS
INPUTS
C2
C1
C5
V
CC
+
+
+
0.1µF
0.1µF
0.1µF
SP3223 +3.0V to +5.5V RS-232 Transceivers
12
20
14
11
13
15
10
1
2
4
5
6
C1+
C1-
C2+
C2-
T
T
R
R
EN
SHUTDOWN
ONLINE
STATUS
1
2
1
2
IN
IN
OUT
OUT
SP3223
+3V to +5V
V
5
GND
CC
19
18
5KΩ
5KΩ
T
T
1
2
R
R
OUT
OUT
2
1
V+
IN
IN
V-
TYPICAL OPERATING CIRCUIT
7
17
3
16
8
9
RS-232
OUTPUTS
C3
C4
RS-232
INPUTS
+
+
0.1µF
0.1µF
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