The STM811MW16F is a sophisticated microprocessor reset circuit device designed by STMicroelectronics, a leader in the semiconductor industry. This component provides high-precision monitoring of the power supply voltage in microprocessor (µP) and digital systems. It serves to ensure that the system operates reliably by resetting the processor whenever the supply voltage drops below a predefined threshold, thereby preventing any malfunction due to an unexpected power dip or brown-out condition.

Key Features

• Precision Monitoring: The device features a tight 3.08% reset threshold tolerance, ensuring accurate monitoring and system reliability.
• Low Power Consumption: With its low supply current of 3 µA, the STM811MW16F is ideal for power-sensitive applications.
• Manual Reset Input: An active-low manual reset input provides a convenient way to reset the system manually when required.
• Reset Timeout: It offers a 140 ms minimum reset pulse width, which allows sufficient time for the system to stabilize after a reset.
• Operating Temperature Range: The device is operational over a wide temperature range from -40°C to +85°C, suitable for various environmental conditions.
• Supply Voltage Range: It supports a supply voltage range from 2.7 V to 5.5 V, accommodating a broad spectrum of digital systems and µP applications.

Applications

The STM811MW16F is versatile and can be used in a multitude of applications, including:

• Computers and notebooks
• Embedded systems
• Portable/battery-powered equipment
• Industrial controllers
• Automotive systems

Package and Quality

The STM811MW16F comes in a compact SOT-23-5 package, which is suitable for space-constrained applications. Its design is compliant with the RoHS directive, making it environmentally friendly. STMicroelectronics is committed to delivering high-quality products, and this device is no exception, meeting stringent industry standards for performance and reliability.