SP3243 SIPEX [Sipex Corporation], SP3243 Datasheet - Page 9

• Manufacturer Part Number: SP3243
• Description: Intelligent +3.0V to +5.5V RS-232 Transceivers
• Manufacturer: SIPEX [Sipex Corporation]

Figure 10. SP3243 Typical Operating Circuit
Rev. 6/30/03
TTL/CMOS
TTL/CMOS
OUTPUTS
INPUTS
To µP Supervisor
C2
C1
C5
Circuit
+
+
+
0.1µF
0.1µF
0.1µF
V
CC
16
24
14
13
12
20
19
15
22
21
28
18
17
23
1
2
C1+
C1-
C2+
C2-
R
R
R
T
T
T
STATUS
R
R
SHUTDOWN
ONLINE
R
1
2
3
2
1
2
3
4
IN
5
IN
OUT
IN
OUT
OUT
OUT
OUT
OUT
SP3223 +3.0V to +5.5V RS-232 Transceivers
SP3243
V
GND
9
CC
26
25
5KΩ
5KΩ
5KΩ
5KΩ
5KΩ
T
T
T
V
1
2
3
R
CC
R
R
R
R
OUT
OUT
OUT
5
3
4
V+
1
2
V-
IN
IN
IN
IN
IN
10
4
11
5
7
8
6
27
3
9
© Copyright 2003 Sipex Corporation
C3
C4
RS-232
OUTPUTS
RS-232
INPUTS
+
+
0.1µF
0.1µF