HIN232EIBN

Overview

The HIN232EIBN is a high-speed RS-232 transmitter/receiver interface circuit manufactured by Renesas Electronics Corporation. It meets EIA RS-232E and V.28 specifications, designed for systems lacking ±12V power supplies. The device operates on a single +5V supply using onboard charge pumps to generate internal voltages. Key electrical parameters include a data rate of 230 kbps, a supply voltage range of 4.5V to 5.5V, and an operating temperature range of -40°C to +85°C. It features ±15kV ESD protection on inputs and outputs, 300Ω power-off source impedance, and requires only 0.1µF external capacitors for the charge pump.

Feature Summary

• Integrated charge pump eliminates need for dual polarity power supplies
• High electrostatic discharge protection on transceiver pins
• Low power consumption with shutdown capability in compatible variants
• TTL/CMOS compatible inputs with noise-improving receiver hysteresis

Applications

• ISDN terminal adaptors requiring high-speed serial communication
• Portable computers and laptop peripheral interfaces
• Industrial instrumentation and UPS control ports
• High-speed modem connections

Procurement Notes

Verify the specific suffix 'IBN' against official Renesas documentation to confirm package type (typically SOIC) and temperature grade. Ensure ordering details match the exact RoHS compliance status and lead-free plating specifications listed in the current datasheet revision. Cross-reference part numbers with authorized distributors to avoid obsolete or non-compliant stock.

Selection Notes

Select this component when designing RS-232 interfaces constrained to a single 5V power rail. The HIN232EIBN is suitable for applications demanding data rates up to 230kbps. Verify that the required driver/receiver count matches the specific variant within the E-family, as configurations vary across the series. Confirm thermal requirements align with the industrial temperature range if deployed in harsh environments.

Part Context

This device belongs to the HIN2xxE family of RS-232 transceivers from Renesas (formerly Intersil). The 'E' designation indicates enhanced features such as ±15kV ESD protection and improved slew rates compared to earlier generations. This family simplifies board design by integrating voltage conversion, reducing external component count significantly.

Replacement Considerations

Direct replacements include other members of the HIN2xxE family such as HIN202E, HIN206E, or HIN211E, provided the driver/receiver configuration matches the application needs. Verify pin compatibility and functional equivalence before substitution.