ICL3243ECV

Overview

The Intersil ICL3243ECV is a full-duplex RS-232 transceiver featuring three drivers and five receivers. It operates on a single +5 V supply with integrated charge pumps that generate voltages from internal supplies, eliminating the need for external components. The device supports data rates up to 120 kbps and includes ESD protection rated at 15 kV according to the Human Body Model. It functions within an industrial temperature range of -40°C to +85°C and is housed in a TSSOP-28 package.

Feature Summary

• Integrated charge pump circuitry generates required RS-232 voltage levels without external capacitors or dual supplies.
• Provides robust electrostatic discharge protection meeting stringent industrial reliability standards.
• Supports full-duplex communication with asymmetric driver and receiver counts for flexible interface design.

Applications

• Industrial control systems requiring reliable serial communication in electrically noisy environments.
• Data acquisition equipment needing multiple receiver inputs for sensor interfacing.
• Embedded systems utilizing standard RS-232 ports for configuration and diagnostics.

Procurement Notes

Verify the suffix 'ECV' confirms the TSSOP-28 package and industrial temperature grade (-40°C to +85°C). Confirm the manufacturer designation as Intersil or its successor entity to ensure component authenticity. Cross-reference the datasheet revision date against production lot codes for quality assurance.

Selection Notes

Select this component when three transmit channels and five receive channels are required within a single IC. It is suitable for designs constrained by space due to the compact TSSOP-28 footprint. Ensure the application environment stays within the specified industrial temperature limits and utilizes a stable +5 V power rail.

Part Context

This part belongs to the ICL3243 family of RS-232 transceivers, which are widely used in legacy and modern serial communication interfaces. The specific EC variant denotes the commercial/industrial temperature extension and surface-mount packaging, distinguishing it from older DIP versions or lower-grade variants.

Replacement Considerations

Check for direct pin-compatible alternatives such as the MAX3243 or SP3243 series. Verify that substitute parts maintain the same 3-driver/5-receiver configuration and ESD protection ratings to ensure functional equivalence in existing PCB layouts.