ICL3223ECVZ

Overview

The ICL3223ECVZ is a dual driver, dual receiver RS-232 transceiver manufactured by Intersil. It operates on a single +3V to +5.5V supply and supports data rates up to 250 kb/s. The device features automatic powerdown functionality, reducing operating current to approximately 1 mA. It provides ±15 kV electrostatic discharge (ESD) protection on the RS-232 lines. The component is housed in a TSSOP-20 surface-mount package and is designed for full-duplex communication compliant with EIA/TIA-232 standards.

Feature Summary

• Integrated automatic powerdown circuitry reduces standby power consumption when no valid signal is detected.
• Built-in charge pumps generate required voltage levels from a single low-voltage supply without external transformers.
• Robust ±15 kV ESD protection ensures reliability in environments susceptible to static discharge events.

Applications

• Portable computing devices requiring low-power serial communication interfaces
• Industrial control systems utilizing RS-232 protocols
• Embedded systems with limited power budgets

Procurement Notes

Verify the specific suffix 'CVZ' against official Renesas or Intersil documentation to confirm the exact tape-and-reel packaging configuration and temperature grade. Ensure compatibility with existing PCB footprints for the TSSOP-20 package during sourcing.

Selection Notes

Select this component for applications requiring dual-channel RS-232 connectivity within a compact surface-mount form factor. Confirm that the 250 kb/s data rate meets system requirements and that the +3V to +5.5V supply range aligns with the target platform's voltage rails.

Part Context

This part belongs to the ICL32XXE series of low-power RS-232 transceivers. The series is characterized by enhanced automatic powerdown features and high ESD tolerance, targeting battery-operated equipment where power efficiency and interface durability are critical design constraints.

Replacement Considerations

Consult official substitution guides for equivalent dual-driver RS-232 transceivers with similar pinouts and electrical characteristics. Verify functional compatibility before replacing components in existing designs.

FAQ

What is the maximum data transmission speed supported?

The ICL3223ECVZ supports data rates up to 250 kb/s.

How does the automatic powerdown feature function?

The device enters a low-power shutdown mode when no valid RS-232 signal is present on the receivers, automatically waking up upon detection of a valid input signal.

Is the device compatible with 3.3V logic systems?

Yes, the ICL3223ECVZ operates within a supply voltage range of +3V to +5.5V, making it suitable for 3.3V systems.