ICL232IBETS2404

Overview

The ICL232IBETS2404 is a dual RS-232 transceiver manufactured by Harris Corporation, designed to meet EIA RS-232C technical requirements. It operates on a single +5V power supply and integrates two internal charge pump voltage conversion circuits to generate the required ±V voltages. The device features two drivers with +5V inputs and ±9V outputs, offering a 300Ω off-state output impedance and limited output current. It supports TTL/CMOS compatibility and achieves a maximum slew rate of 30V/μs. The receivers handle input voltages from -30V to 30V with an input impedance of 3–7kΩ and include 0.5V hysteresis for improved noise suppression.

Feature Summary

• Integrates dual charge pump circuits for generating ±V supplies from a single +5V source
• Provides enhanced noise rejection through 0.5V receiver input hysteresis
• Supports robust signal transmission with high slew rates and TTL/CMOS logic compatibility

Applications

• Computer peripheral interfaces
• Portable instrument communication ports
• Modem data transmission links
• Data acquisition system serial connections

Procurement Notes

Verify the manufacturer designation as Harris Corporation or its successor entities, such as Intersil or Renesas, due to corporate acquisitions. Confirm that the suffix IBETS2404 corresponds to the specific package type and temperature rating documented in official datasheets. Ensure compliance with RoHS standards if required for the target application environment.

Selection Notes

Select this component when a dual RS-232 interface is needed with single-supply operation. It is suitable for designs requiring high noise immunity and fast signal transitions. Verify that the ±9V output levels align with the connected RS-232 standard requirements. Consider the thermal performance and package constraints during PCB layout planning.

Part Context

This device belongs to the ICL232 series of dual RS-232 transceivers produced by Harris Corporation. These components are widely used in legacy and industrial systems requiring reliable serial communication. The series is known for integrating charge pumps to eliminate external capacitors, simplifying circuit design while maintaining compliance with EIA RS-232C specifications.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult official replacement guides from the current manufacturer or authorized distributors for equivalent devices.