STM812TW16F - Microprocessor Reset Circuit

The STM812TW16F is a precision microprocessor reset circuit developed by STMicroelectronics, designed to monitor the supply voltage of microprocessor (µP) systems, helping to safeguard against low voltage conditions which can lead to unpredictable system behavior.

Key Features

• Reset Threshold Voltage: The device has a preset reset threshold voltage of 1.60V, ensuring that the microprocessor resets accurately under specific voltage conditions.
• Low Power Consumption: It boasts a low supply current, making it suitable for power-sensitive applications.
• Reset Timeout: The STM812TW16F provides a 140ms minimum reset pulse width which guarantees the system has sufficient time to stabilize after a reset.
• High Accuracy: This component offers high threshold accuracy, ensuring reliable operation over temperature variations and from unit to unit.
• Operating Temperature Range: The device is designed to operate over a wide temperature range, from -40°C to +85°C, catering to a broad spectrum of industrial and consumer applications.

Applications

The STM812TW16F is versatile and can be used across various applications that require reliable voltage monitoring. These include:

• Computers and servers
• Embedded systems
• Portable and battery-powered devices
• Industrial equipment

Package and Availability

The device comes in a compact SOT-23 package, which is suitable for space-constrained applications. The STM812TW16F is part of the larger STM81xx product family, all of which are designed to provide microprocessor supervisory functions with different voltage threshold options and package configurations, giving designers flexibility in their system designs.

With its precise monitoring capabilities and robust design, the STM812TW16F is an essential component for systems that cannot afford to falter due to power instability, ensuring that your microprocessor-based systems remain reliable and efficient under varying power conditions.