The ST3243EBJR is a robust, low-power transceiver for RS-232 communication from STMicroelectronics. This integrated circuit is designed to meet the requirements for battery-powered devices, offering a wide operating voltage range and low current consumption. It is part of the ST3243E series, which is known for its reliability and efficiency in serial communication applications.

Key Features

• Interface: RS-232 transceiver with 3 drivers and 5 receivers compliant with EIA/TIA-232-F standards.
• Operating Voltage Range: 3.0V to 5.5V, making it suitable for a variety of power sources.
• Low Power Consumption: 1µA of supply current when in shutdown mode, preserving battery life in portable applications.
• High Data Rate: Capable of data rates up to 250kbps, ensuring efficient communication for connected devices.
• ESD Protection: Equipped with an integrated ESD protection circuitry, which can withstand ±15kV human body model, providing robustness against electrostatic discharges.
• Enhanced Features: Includes a low-power shutdown mode, receiver hysteresis for noise rejection, and guaranteed mouse driveability.

Applications

The ST3243EBJR is ideal for a range of applications where efficient RS-232 communication is required. This includes:

• Portable and battery-powered devices such as PDAs, notebooks, and handheld equipment.
• Consumer electronics including cameras, printers, and modems.
• Industrial applications with the need for reliable data transfer in harsh environments.

Package and Quality

The device is offered in a compact 20-pin TSSOP (Thin Shrink Small Outline Package) which is ideal for space-constrained applications. STMicroelectronics ensures high manufacturing standards, with each unit being rigorously tested for performance and reliability.

Conclusion

With its combination of low-power operation, high data rate capability, and robust protection features, the ST3243EBJR from STMicroelectronics stands out as a top choice for designers looking to implement RS-232 communication in their products. Its wide operating voltage range and compact packaging make it a versatile and reliable solution for a broad array of applications.