SP3223U Datasheet, PDF (9/24 Pages) Sipex Corporation – High Speed Intelligent +3.0V to +5.5V RS-232 Transceivers

+
C5 0.1µF
28 _C1+
+
C1 0.1µF
24 _C1-
VCC
26
VCC
V+ ²⁷
+
C3 0.1µF
1 _C2+
+
C2 0.1µF
2 _C2-
14 ^T1^IN
TTL/CMOS
INPUTS
13 ^T₂^IN
12 ^T3^IN
SP3243U V- ³
T₁OUT ₉
T₂OUT ₁₀
T₃OUT ₁₁
C4 0.1µF
+
RS-232
OUTPUTS
TTL/CMOS
OUTPUTS
VCC
To µP Supervisor
Circuit
20 ^R2^OUT
19 ^R1^OUT
18 ^R2^OUT
R₁IN ₄
5KΩ
R₂IN ₅
17 ^R3^OUT
5KΩ
R₃IN ₆
16 ^R4^OUT
5KΩ
R₄IN ₇
15 ^R5OUT
22
SHUTDOWN
23 _ONLINE
5KΩ
R₅IN ₈
5KΩ
21 _{STATUS GND}
25
RS-232
INPUTS
Figure 15. SP3243U Typical Operating Circuit
Date: 5/25/04
SP3223U/3243U +3.0V to +5.5V RS-232 Transceivers
9
© Copyright 2004 Sipex Corporation