The S-80820CNUA-B8F-T2 is a voltage detector IC manufactured by SII Semiconductor Corporation. This device monitors the input voltage and asserts a reset signal when the voltage falls below a specified threshold, preventing erratic behavior in microcontrollers and other digital circuits.

Applications

• Microcontroller reset circuits
• Power supply monitoring in embedded systems
• Battery voltage monitoring
• Over-discharge protection
• Portable electronic devices

Features

• Detection voltage: 2.0V (Estimate based on similar part numbers. Consult datasheet for exact value.)
• High detection voltage accuracy
• Ultra-low current consumption
• Built-in hysteresis
• Open-drain output
• Small package

Benefits

• Prevents system crashes and data corruption
• Ensures reliable system startup
• Extends battery life in portable devices
• Provides stable and accurate voltage detection
• Simple interface to microcontrollers
• Reduces board space requirements

Additional Details

The S-80820CNUA-B8F-T2 operates within a specified supply voltage range. The open-drain output is commonly used to interface with microcontroller reset pins. The hysteresis feature prevents oscillations when the input voltage is near the detection threshold. For detailed electrical characteristics, temperature ranges, and package information, refer to the product datasheet.

Voltage detectors are a critical component in many electronic systems. By providing a reliable reset signal, the S-80820CNUA-B8F-T2 contributes to the overall stability and reliability of the system.