Texas Instruments

SN75C3232EDR  

Drivers, Receivers, Transceivers

SN75C3232EDR Description

The SN75C3232EDR is a full-duplex transceiver designed for RS-232 communication, manufactured by Texas Instruments. This interface IC chip features 2 drivers and 2 receivers, making it suitable for applications requiring bidirectional data transfer. It operates within a temperature range of 0°C to 70°C and supports a supply voltage between 3V and 5.5V. The transceiver is packaged in a 16-pin SOIC surface-mount package and is available in tape and reel format. Despite its obsolete status, the SN75C3232EDR remains a reliable choice for RS-232 communication due to its robust performance and compliance with industry standards such as REACH and RoHS3.

SN75C3232EDR Features

• Full-Duplex Communication: The SN75C3232EDR supports full-duplex communication, allowing simultaneous data transmission and reception, which is essential for efficient data exchange in RS-232 applications.
• High Receiver Hysteresis: With a receiver hysteresis of 300 mV, the transceiver ensures reliable signal detection and noise immunity, enhancing the stability of data communication.
• Wide Operating Voltage Range: The device operates within a voltage range of 3V to 5.5V, providing flexibility in power supply options and compatibility with various systems.
• Surface-Mount Technology: The surface-mount package type facilitates easy integration into compact and high-density PCB designs, reducing the overall footprint and improving thermal performance.
• Compliance and Safety: The SN75C3232EDR is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards, making it suitable for use in a wide range of industries.
• Moisture Sensitivity Level: With an MSL of 1 (unlimited), the device is suitable for storage and handling in various environmental conditions without the need for special precautions.

SN75C3232EDR Applications

The SN75C3232EDR is ideal for applications requiring reliable RS-232 communication, such as:

• Industrial Automation: Used in PLCs (Programmable Logic Controllers) and SCADA (Supervisory Control and Data Acquisition) systems for data transmission between devices.
• Telecommunications: Suitable for modems and other communication equipment that require robust RS-232 interfaces.
• Computer Peripherals: Ideal for interfacing with serial ports in computers, printers, and other peripherals.
• Medical Equipment: Used in medical devices that require stable and reliable communication for data logging and monitoring.
• Consumer Electronics: Applicable in devices such as routers, set-top boxes, and other consumer electronics that utilize RS-232 for data transfer.

Conclusion of SN75C3232EDR

The SN75C3232EDR, despite being marked as obsolete, continues to be a reliable and versatile transceiver for RS-232 communication. Its full-duplex capability, high receiver hysteresis, and wide operating voltage range make it a robust choice for various applications. The surface-mount package and compliance with industry standards further enhance its suitability for modern electronic designs. While newer alternatives may offer additional features, the SN75C3232EDR remains a dependable option for applications where RS-232 communication is essential.

SN75C3232EDR Documents

Download datasheets and manufacturer documentation for SN75C3232EDR

Datasheets :

SN65/75C3232E      

PCN Obsolescence/ EOL :

RS232 EOL 29/Jun/2021      

HTML Datasheet :

SN65/75C3232E