The STM812RW16F is a highly reliable, precision microprocessor reset circuit manufactured by STMicroelectronics. This device is designed to monitor the supply voltage of microprocessors (µP) and digital systems to ensure that, upon power-up or voltage dips, the system will reset to a known state. It provides a critical function in the prevention of system failures and erratic behaviors due to unpredictable states caused by inadequate power levels.

Key Features

• Voltage Monitoring: The STM812RW16F actively monitors the supply voltage and asserts a reset signal when it detects that the voltage has fallen below the designated threshold, ensuring the system has sufficient power to operate correctly.
• Reset Timeout: It features an adjustable reset timeout period, allowing designers to set the duration for which the reset condition is maintained after the supply voltage has returned to an acceptable level.
• Low Power Consumption: This device is optimized for low power consumption, making it an ideal choice for power-sensitive applications.
• High Accuracy: The precision of the voltage monitoring ensures high reliability, reducing the risk of improper resets.
• Operating Temperature Range: The STM812RW16F is designed to operate over a wide temperature range, making it suitable for use in various environments.

Applications

The STM812RW16F is versatile and can be employed in a broad range of applications, including:

• Computers and Network Equipment
• Embedded Systems
• Portable/Battery-Powered Devices
• Industrial Controllers
• Automotive Systems

Technical Specifications

The technical specifications of the STM812RW16F include a reset threshold voltage typically set at 1.6V, which is a common requirement for many digital and microprocessor systems. The device is available in a compact SOT-23 package, allowing for easy integration into a variety of circuit designs.

Conclusion

The STM812RW16F from STMicroelectronics is an essential component for any system requiring reliable voltage monitoring and reset capabilities. Its precision and low power consumption, combined with the flexibility to work across a wide range of applications, make it an excellent choice for designers looking to enhance system stability and performance.