RS-232 Datasheet, PDF (3/33 Pages) Grayhill, Inc – COMMUNICATION CONVERTERS

ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
Typical Operating Circuits (Continued)
ICL3222E
+3.3V
+
0.1µF
C₁
0.1µF
C₂
0.1µF
2
+
4
5
+6
C1+
C1-
C2+
C2-
12
T1_IN
TTL/CMOS
LOGIC LEVELS
11
T2_IN
13
R1_OUT
R2_OUT
10
1 _EN
17
V_CC
T₁
T₂
R₁
R₂
C₃ (OPTIONAL CONNECTION, NOTE)
3
V+
+ ^C0.3_1µF
V- ⁷
15
8
14
5kΩ
9
5kΩ
C₄
+ ^0.1µF
T1_OUT
T2_OUT
R1_IN
R2_IN
RS-232
LEVELS
GND
16
SHDN ¹⁸
V_CC
NOTE: THE NEGATIVE TERMINAL OF C₃ CAN BE CONNECTED TO EITHER V_CC OR GND
ICL3223E
+3.3V
+ _0.1µF
C₁
0.1µF
C₂
0.1µF
2
+
C1+
4 _C1-
5
+6
C2+
C2-
13
T1_IN
TTL/CMOS
LOGIC LEVELS
12
T2_IN
R1_OUT ¹⁵
10
R2_OUT
1 _EN
19
V_CC
T₁
T₂
3
V+
V- ⁷
17
8
16
R₁
5kΩ
9
R₂
5kΩΩ
20
FORCEOFF
14
FORCEON
11
INVALID
GND
18
+ ^C3
0.1µF
C₄
+0.1µF
T1_OUT
T2_OUT
R1_IN
RS-232
LEVELS
R2_IN
V_CC
TO POWER
CONTROL LOGIC
3
FN4910.22
December 9, 2015