Product Overview: STM809SWX6F1

The STM809SWX6F1 is a highly reliable, precision microprocessor reset circuit device developed by STMicroelectronics. This product is designed to monitor the supply voltage of microprocessor (µP) systems, ensuring that the system resets accurately during power-up, power-down, and brown-out conditions. The STM809SWX6F1 is an essential component for maintaining the integrity of digital systems and preventing data corruption due to unexpected power disturbances.

Key Features

• Reset Threshold Voltage: The device features a precise factory-trimmed threshold voltage that ensures the microprocessor resets consistently at the correct voltage level.
• Low Power Consumption: With its low power design, the STM809SWX6F1 is suitable for use in power-sensitive applications, contributing to overall energy efficiency.
• Reset Time Delay: The built-in time delay ensures that the system is reset for a minimum duration, providing a reliable startup for the microprocessor.
• Temperature Range: It operates over a wide temperature range, making it versatile for various environments and applications.
• Package: The device comes in a compact SOT-23 package, allowing for easy integration into system designs without requiring significant board space.

Applications

The STM809SWX6F1 is suitable for a broad range of applications, including:

• Computers and computer peripherals
• Embedded systems
• Consumer electronics
• Portable/battery-powered devices
• Industrial controllers

Technical Specifications

The device's technical specifications include an active-low reset output, with a reset pulse width of typically 140 ms. It has a threshold voltage typically set at 3.08V, which is ideal for systems operating around the standard 3.3V supply level. The operating voltage range for the STM809SWX6F1 is from 2.7V to 5.5V, accommodating a variety of power supply options.

Conclusion

The STM809SWX6F1 from STMicroelectronics is a robust and reliable solution for system reset management. Its precision voltage monitoring and low power consumption make it an excellent choice for designers looking to enhance the operational stability of their microprocessor-based systems.