The ST619LBN from STMicroelectronics is a precision microprocessor (μP) reset circuit device designed to manage the power supply and ensure proper operation of microprocessor-based systems. This integrated circuit (IC) provides a highly reliable means of system reset, safeguarding microprocessor systems against glitches, brownouts, and supply fluctuations that can lead to unpredictable behavior or damage to the system.

Key Features

• Precision Monitoring: The ST619LBN keeps a vigilant watch on the system's power supply voltage, delivering a precise threshold monitoring for a safe operating environment.
• Low Power Consumption: Designed for efficiency, this device draws a minimal quiescent current, making it ideal for power-sensitive applications.
• Programmable Reset Delay: It allows designers to program the reset delay time, enabling customization for specific system requirements.
• Wide Operating Voltage Range: The device operates over a broad voltage range, accommodating various logic levels and offering versatility for diverse applications.
• Temperature Range: The ST619LBN is operational across a wide temperature range, ensuring reliability under varying environmental conditions.
• Open-Drain Reset Output: The reset output is of the open-drain type, providing flexibility in interfacing with other system components.

Applications

The ST619LBN is suitable for a wide array of applications where reliable system reset functionality is crucial. It is commonly utilized in:

• Microprocessor & Microcontroller Systems
• Computers and Computer Peripherals
• Embedded Systems
• Portable/Battery-Powered Equipment
• Industrial Controls

Reliability and Safety

STMicroelectronics is committed to delivering high-quality products. The ST619LBN is built to meet stringent standards, ensuring that it performs reliably in critical systems where consistent operation is paramount. By integrating this reset circuit into your design, you can enhance system stability and provide an additional layer of protection against unexpected power supply issues.