ICL3224EIAZ-T

Overview

The ICL3224EIAZ-T is an RS-232 transceiver manufactured by Renesas Electronics, housed in a 20-pin SSOP package. It operates on a single power supply ranging from 3 V to 5.5 V, with typical operation at 3.3 V or 5 V. The device supports full-duplex communication with one driver and two receivers, achieving data rates up to 500 kb/s. It features low quiescent current of 1 mA and includes 15 kV ESD protection. The component functions within a temperature range of -40°C to +85°C and complies with moisture sensitivity requirements.

Feature Summary

• Integrated charge pump circuitry enables operation from a single voltage supply without requiring external dual-voltage sources.
• Automatic power-down functionality reduces standby current when the RS-232 cable is disconnected or peripheral devices are inactive.
• High electrostatic discharge tolerance protects internal circuits against human body model events.

Applications

• Portable computing devices such as PDAs and laptops requiring low-power serial connectivity
• Industrial control systems operating in environments with moderate electromagnetic interference
• Embedded systems utilizing 3.3 V or 5 V logic levels for RS-232 communication

Procurement Notes

Verify the suffix 'T' indicates tape-and-reel packaging distinct from the tube-packaged ICL3224EIAZ. Confirm RoHS compliance status through official Renesas documentation prior to integration. Ensure handling procedures account for moisture sensitivity classification specified in the datasheet to prevent package damage during soldering.

Selection Notes

Select this variant over standard versions when automated surface-mount assembly is required due to its reel packaging format. Consider the 500 kb/s data rate capability if higher throughput is needed compared to the 250 kb/s base model. Verify that the SSOP-20 footprint matches the target PCB layout constraints and thermal management requirements.

Part Context

This component belongs to the ICL3224E series of micro-power RS-232 transceivers designed for battery-operated applications. It shares architectural similarities with other members like the ICL3221 and ICL3223 but offers specific driver/receiver configurations. The 'T' suffix denotes a specific packaging option optimized for high-volume surface-mount production lines.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Cross-reference with ICL3224EIAZ only if packaging differences are acceptable. Consult manufacturer guidelines for any functional equivalents within the ISL32xx family before substitution.