circuit that meets all ElA RS-232C and V.28 speci鏗乧ations. It
+10V and -10V supplies from the 5V supply.
rate-limited output, and 300鈩?power-off source impedance.
The receivers can handle up to +30V, and have a 3k鈩?to 7k鈩?/div>
input impedance. The receivers also have hysteresis to
improve noise rejection.
August 1997
Features
鈥?Meets All RS-232C and V.28 Speci鏗乧ations
鈥?Requires Only Single +5V Power Supply
鈥?Onboard Voltage Doubler/Inverter
鈥?Low Power Consumption
鈥?2 Drivers
-
鹵9V
Output Swing for +5V lnput
- 300鈩?Power-off Source Impedance
- Output Current Limiting
- TTL/CMOS Compatible
- 30V/碌s Maximum Slew Rate
鈥?2 Receivers
-
鹵30V
Input Voltage Range
- 3k鈩?to 7k鈩?Input Impedance
- 0.5V Hysteresis to Improve Noise Rejection
鈥?All Critical Parameters are Guaranteed Over the Entire
Commercial, Industrial and Military Temperature Ranges
Ordering Information
PART NUMBER
ICL232CPE
ICL232CBE
ICL232lPE
ICL232lJE
ICL232lBE
ICL232MJE
TEMP.
RANGE (
o
C)
0 to 70
0 to 70
-40 to 85
-40 to 85
-40 to 85
-55 to 125
PACKAGE
16 Ld PDIP
16 Ld SOIC
16 Ld PDIP
16 Ld CERDIP
16 Ld SOIC
16 Ld CERDIP
PKG.
NO.
E16.3
M16.3
E16.3
F16.3
M16.3
F16.3
Applications
鈥?Any System Requiring RS-232 Communications Port
- Computer - Portable and Mainframe
- Peripheral - Printers and Terminals
- Portable Instrumentation
- Modems
鈥?Dataloggers
Pinout
ICL232 (PDIP, CERDIP, SOIC)
TOP VIEW
C1+ 1
V+ 2
C1- 3
C2+ 4
C2- 5
V- 6
T2
OUT
7
R2
IN
8
16 V
CC
15 GND
14 T1
OUT
13 R1
IN
12 R1
OUT
11 T1
IN
10 T2
IN
9
R2
OUT
Functional Diagram
+5V
+
1.0碌F
1
1碌F
+
3
4
1碌F
+
5
11
16
V
CC
2
+5V TO 10V
VOLTAGE INVERTER V+
+10V TO -10V
VOLTAGE INVERTER
T1
T2
7
13
R1
R2
OUT
9
R2
15
5k鈩?/div>
5k鈩?/div>
8
R2
IN
T2
OUT
R1
IN
V- 6
+
14
1碌F
T1
OUT
+
1碌F
C1+
C1-
C2+
C2-
T1
IN
T2
IN
R1
OUT
+5V
400k鈩?/div>
+5V
400k鈩?/div>
10
12
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
漏
Harris Corporation 1997
File Number
3020.5
8-49
HARRIS
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