ICL3221 INTERSIL [Intersil Corporation], ICL3221 Datasheet - Page 8

• Manufacturer Part Number: ICL3221
• Description: 1 Microamp Supply-Current, +3V to +5.5V, 250kbps, RS-232 Transmitters/Receivers
• Manufacturer: INTERSIL [Intersil Corporation]

Typical Operating Circuits
3-8
LOGIC LEVELS
TTL/CMOS
CONTROL LOGIC
(Continued)
TO POWER
+3.3V
R2
0.1 F
0.1 F
R1
R2
R3
R4
R5
V
OUTB
C
C
CC
T1
T2
T3
OUT
OUT
OUT
OUT
OUT
1
2
ICL3221 thru ICL3243
IN
IN
IN
+
+
+
14
13
12
20
19
18
17
16
15
23
22
21
28
24
0.1 F
1
2
C1+
C1-
C2+
C2-
FORCEON
FORCEOFF
INVALID
ICL3243
R
R
R
R
R
GND
V
1
2
3
4
5
CC
T
T
T
26
1
2
3
25
5k
5k
5k
5k
5k
V+
V-
27
3
9
10
11
4
5
6
7
8
+
+
C
0.1 F
C
0.1 F
T1
T2
T3
R1
R2
R3
R4
R5
3
4
OUT
OUT
OUT
IN
IN
IN
IN
IN
RS-232
LEVELS
RS-232
LEVELS