ICL3243ECBZ-T

Overview

The ICL3243ECBZ-T is a full-duplex RS-232 transceiver manufactured by Renesas Electronics Corporation, housed in a 28-pin SSOP package. It integrates three drivers and five receivers, supporting data rates up to 250 kbps. The device operates on a single power supply ranging from 3 V to 5.5 V. Key electrical specifications include a receiver hysteresis of 500 mV and an operating temperature range of -40°C to +85°C. It features 15 kV ESD protection and includes an automatic shutdown mode that reduces supply current to approximately 1 µA.

Feature Summary

• Integrates three independent drivers and five independent receivers for complex serial communication interfaces.
• Features automatic power-down mode to minimize current consumption during idle periods.
• Provides robust electrostatic discharge (ESD) protection rated at 15 kV on all RS-232 lines.

Applications

• Industrial control systems requiring reliable RS-232 connectivity.
• Portable battery-powered equipment utilizing low-power interface solutions.
• Data acquisition modules with multiple serial input/output channels.

Procurement Notes

Verify the suffix 'CBZ-T' corresponds to the SSOP-28 package and tape-and-reel packaging configuration. Confirm the extended industrial temperature range (-40°C to +85°C) matches the design requirements. Ensure compatibility with 3V and 5V logic levels. Check for RoHS compliance status as specified in the official datasheet.

Selection Notes

Select this component when a high pin-count RS-232 solution is needed within a compact surface-mount footprint. The 28-pin SSOP package accommodates three drivers and five receivers, reducing board space compared to multiple smaller transceivers. Consider the 15 kV ESD rating for environments prone to static discharge. Verify that the 250 kbps data rate meets the application's throughput needs.

Part Context

This part belongs to the ICL3243 series of RS-232 transceivers. It shares functional similarities with other variants like the ICL3243ECAZ but differs in package type and manufacturing lot specifics. The 'E' indicates extended temperature range, while 'CBZ' denotes the SSOP package and lead-free composition. The '-T' suffix specifies tape-and-reel delivery for automated assembly.

Replacement Considerations

The MAX3243EIDW from Texas Instruments is a documented alternative. Verify pin-to-pin compatibility and ensure the replacement supports the required 250 kbps data rate and 15 kV ESD protection level.