SP3223B Datasheet, PDF (8/24 Pages) Sipex Corporation – Intelligent +3.0V to +5.5V RS-232 Transceivers

+3.3V to +5V
+
C5 0.1µF
+
C1 0.1µF
+
C2 0.1µF
2 _C1+
4 _C1-
5 _C2+
6 _C2-
TTL/CMOS
INPUTS
13 ^T₁^IN
12 T₂IN
19
VCC
V+ ³
+
C3 0.1µF
SP3223B
V- ⁷
C4 0.1µF
+
T₁OUT ₁₇
T₂OUT ₈
RS-232
OUTPUTS
TTL/CMOS
OUTPUTS
VCC
To µP Supervisor
Circuit
15 ^R1^OUT
R₁IN ₁₆
5kΩ
10 ^R2^OUT
R₂IN ₉
5kΩ
1 _EN
20 _SHUTDOWN
14 _ONLINE
11 _STATUS
GND
18
RS-232
INPUTS
Figure 14. SP3223B Typical Operating Circuit
Rev. 6/30/03
SP3223B/3243B +3.0V to +5.5V RS-232 Transceivers
8
© Copyright 2003 Sipex Corporation