Overview of STM809R from STMicroelectronics

The STM809R is a microprocessor reset circuit device manufactured by STMicroelectronics, designed to monitor the power supply voltage of digital systems. It serves as an effective solution for managing the reset function without the need for external components, ensuring reliable operation even in the most demanding applications.

Key Features

• Precision Monitoring: The STM809R precisely monitors the system voltage and asserts a reset signal whenever the supply drops below a predefined threshold, preventing the processor from operating under conditions that could lead to unpredictable behavior.
• Low Power Consumption: Designed with power efficiency in mind, the device consumes minimal power, making it suitable for battery-operated applications where power conservation is critical.
• Reset Timeout: It features a built-in delay timer that ensures the reset signal is maintained for an adequate period after the supply voltage returns to an acceptable level, allowing the microprocessor to stabilize before resuming operation.
• Operating Temperature Range: The STM809R operates over a wide temperature range, making it versatile for various industrial and consumer environments.
• Compact Package: Available in a small SOT23-3 package, it is ideal for space-constrained applications, providing essential functionality without occupying significant board space.

Applications

The STM809R is suitable for a wide array of applications, including:

• Microprocessor, microcontroller, and DSP systems
• Portable and battery-powered equipment
• Intelligent instruments
• Industrial controllers
• Notebook and desktop computers
• Embedded systems

Reliability and Support

STMicroelectronics is known for its commitment to quality and reliability, and the STM809R is no exception. Customers can rely on this device to provide consistent performance and robustness. Additionally, STMicroelectronics provides comprehensive technical support and documentation, making integration of the STM809R into your designs as seamless as possible.

With its precision voltage monitoring and low power consumption, the STM809R is an excellent choice for designers looking to enhance the reliability of their digital systems with a compact and efficient reset circuit solution.