ICL3232CBZ-T

Overview

The ICL3232CBZ-T is a full-duplex RS-232 transceiver manufactured by Renesas Electronics Corporation. It integrates two drivers and two receivers within a single package, supporting data rates up to 250 kbps. The device operates on a single power supply ranging from 3 V to 5.5 V. It utilizes external capacitors for charge pump functionality, eliminating the need for dual voltage supplies. The component is housed in a 16-pin SOIC-Narrow (SOIC-16) surface-mount package. It features a receiver input hysteresis of 300 mV to improve noise immunity. The standard commercial operating temperature range is specified from 0°C to +70°C.

Feature Summary

• Integrates two independent drivers and two receivers for full-duplex communication
• Operates with a single 3 V to 5.5 V power supply using internal charge pumps
• Provides enhanced noise immunity through 300 mV receiver input hysteresis
• Supports high-speed data transmission up to 250 kbps

Applications

• Industrial control systems requiring RS-232 connectivity
• Point-to-point serial communication links
• Modem interfacing applications
• Data acquisition equipment

Procurement Notes

Verify the specific suffix 'T' indicates tape and reel packaging when sourcing this part number. Confirm the manufacturer designation as Renesas Electronics Corporation or Intersil, as legacy branding may appear on older documentation. Ensure the order specifies the commercial temperature grade variant distinct from industrial or automotive versions.

Selection Notes

Select this component for designs requiring two independent RS-232 channels in a compact surface-mount footprint. Verify that the system power supply falls within the 3 V to 5.5 V range to ensure proper charge pump operation. Consider the 16-pin SOIC-Narrow package dimensions for PCB layout constraints compared to wider SOIC packages.

Part Context

This part belongs to the ICL3232 family of line transceivers. It shares core electrical specifications with variants such as the ICL3232CBNZ and ICL3232IVZ, differing primarily in packaging type and temperature rating. The CBZ-T designation specifically identifies the commercial grade version in a narrow SOIC package supplied in tape and reel format.

Replacement Considerations

Direct pin-compatible alternatives include the MAX3232 series from Texas Instruments. Other compatible options encompass the SP3232 from Maxim Integrated. Verify that substitute components maintain the same 3 V to 5.5 V operating voltage and 250 kbps data rate requirements.