ICL3243EIA Datasheet, PDF (2/33 Pages) Intersil Corporation – ±15kV ESD Protected, +3V to +5.5V, 1μA, 250kbps, RS-232 Transmitters/Receivers

ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
TABLE 1. SUMMARY OF FEATURES
PART
NUMBER
NUMBER NUMBER
OF Tx OF Rx
NUMBER OF
MONITOR
RECEIVERS
(R_OUTB)
ICL3221E
1
1
0
DATA
RATE
(kbps)
250
RECEIVER
ENABLE
FUNCTION?
Yes
READY
OUTPUT?
No
ICL3222E
2
2
0
250
Yes
No
ICL3223E
2
2
0
250
Yes
No
ICL3232E
2
2
0
250
No
No
ICL3241E
3
5
2
250
Yes
No
ICL3243E
3
5
1
250
No
No
MANUAL
POWER-DOWN?
AUTOMATIC
POWER-
DOWN
FUNCTION?
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
No
Yes
Yes
Typical Operating Circuits
ICL3221E
TTL/CMOS
LOGIC LEVELS
+3.3V
+
0.1µF
C₁
0.1µF
C₂
0.1µF
2
+
C1+
4 _C1-
5
+
C2+
6
C2-
11
T1_IN
9
R1_OUT
15
V_CC
T₁
R₁
C₃ (OPTIONAL CONNECTION, NOTE)
3
V+
+ ^C3
0.1µF
V- ⁷
13
C₄
+0.1µF
T1_OUT
8
5kΩ
R1_IN
RS-232
LEVELS
1 EN
16
FORCEOFF
V_CC
12
10
FORCEON
INVALID
GND
TO POWER
CONTROL LOGIC
14
NOTE: THE NEGATIVE TERMINAL OF C₃ CAN BE CONNECTED TO EITHER V_CC OR GND
2
FN4910.21
February 22, 2010