SP3223B Datasheet, PDF (9/24 Pages) Sipex Corporation – Intelligent +3.0V to +5.5V RS-232 Transceivers

VCC
+
C5 0.1µF
26
VCC
28 _C1+
+
C1 0.1µF
24 C1-
V+ ²⁷
+
C3 0.1µF
+
C2 0.1µF
1 _C2+
2 _C2-
14 ^T1^IN
TTL/CMOS
INPUTS
13 ^T₂^IN
12 ^T3^IN
SP3243B 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
17 ^R3^OUT
R₁IN ₄
5kΩ
R₂IN ₅
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. SP3243B Typical Operating Circuit
Rev. 6/30/03
SP3223B/3243B +3.0V to +5.5V RS-232 Transceivers
9
© Copyright 2003 Sipex Corporation