STM812LW16F Microprocessor Reset Circuit

The STM812LW16F from STMicroelectronics is a precision microprocessor (µP) reset circuit device designed to monitor VCC for an out-of-tolerance condition and assert a reset signal whenever VCC drops below the minimum VTRIP point. Ensuring that the connected microprocessor starts operating in a known state, this compact and efficient component is an essential part of any system that requires reliable operation.

With a low supply current, the STM812LW16F is ideal for use in portable equipment where extending battery life is crucial. Its small surface-mount package allows for efficient use of board space, making it an excellent choice for space-constrained applications.

Key Features:

• Voltage Monitoring: Precision monitoring of the 3V power supply (VCC) for microprocessors.
• Reset Time Delay: Offers a 140 ms minimum reset pulse width which ensures the system has sufficient time to stabilize before it becomes operational.
• Low Power Consumption: With a low supply current, it is optimized for battery-powered applications.
• High Accuracy: Features a reset threshold voltage accuracy at ±1.5%, providing reliable reset activation.
• Operating Temperature Range: Functions within a temperature range of -40°C to +85°C, suitable for industrial applications.
• Package: Available in a compact 5-Lead SOT23 package, which is ideal for use in systems where space is at a premium.

Applications:

The STM812LW16F is versatile and can be implemented in a variety of applications, including:

• Portable/Battery-Powered Devices
• Embedded Systems
• Computers and Notebooks
• Microcontrollers and Intelligent Instruments
• Industrial/Telecommunications Systems

STMicroelectronics' commitment to reliability and innovation is reflected in the STM812LW16F, making it a smart choice for designers who require a dependable reset circuit for their microprocessor-based systems. Its robust design ensures that your system maintains its integrity, even in the most demanding conditions.