HIN232ACBN

Overview

The Intersil HIN232ACBN is a high-speed RS-232 transmitter/receiver interface circuit designed for single +5V power supply operation. It meets EIA RS-232E and V.28 specifications, utilizing onboard charge pump voltage converters to generate +10V and -10V supplies from the 5V input. The device features two drivers and two receivers with true TTL/CMOS input compatibility. Key electrical parameters include a data rate of 230kbit/s, ±10V output swing, and an operating temperature range of 0°C to +70°C. It requires only 0.1µF external capacitors for the charge pump.

Feature Summary

• Onboard voltage doubler and inverter eliminates need for external ±12V supplies
• High data rate capability up to 230kbit/s suitable for ISDN and modems
• Enhanced noise rejection through receiver hysteresis and input impedance characteristics
• Low power consumption with typical supply current of 5mA

Applications

• Portable computers and laptops requiring high-speed serial communication
• Peripheral connections for printers and terminals
• Instrumentation systems and UPS interfaces
• Modem applications

Procurement Notes

Verify the specific suffix 'CBN' against manufacturer documentation to confirm package type and lead-free status. Ensure the component matches the required RoHS compliance if applicable. Confirm the operating temperature grade aligns with system requirements. Cross-reference the part number with official distributors to validate authenticity and availability status before procurement.

Selection Notes

Select this component when a single +5V supply is available but ±12V generation is impractical. It is suitable for applications requiring high-speed data transmission up to 230kbit/s. Consider the 16-pin SOICN package for surface mount designs. Verify that the TTL/CMOS input compatibility matches the driving logic levels of the host microcontroller or processor.

Part Context

The HIN232ACBN belongs to the Intersil HIN232 family of RS-232 transceivers. This family is characterized by high-speed performance and single-supply operation. The 'A' variant typically denotes improved speed or updated specifications compared to earlier versions. The 'C' indicates commercial temperature range, while 'BN' specifies the package and lead-free finish.

Replacement Considerations

Direct replacements within the same family include HIN232ACZN or HIN232CPZ, depending on package preference. Ensure substitute parts maintain the 230kbit/s data rate and single +5V supply requirement. Verify pinout compatibility and electrical specifications match the original design constraints.