The S-80942CNMC-G9C-T2 is a voltage detector IC manufactured by SII Semiconductor Corporation. This device is designed to monitor the supply voltage and generate a reset signal when the voltage drops below a predefined threshold. This function is crucial in preventing malfunctions and ensuring stable operation of microcontrollers, CPUs, and other critical electronic components.

Applications

• Microcontroller reset circuits
• CPU reset circuits
• Power supply monitoring
• Battery-powered devices
• Portable electronics
• Industrial control equipment

Features

• Detection Voltage: 4.2V (Assumed based on the series)
• High-accuracy voltage detection
• Ultra-low current consumption
• Small package size (likely SOT-23 or similar)
• Built-in hysteresis
• Open drain output

Benefits

• Prevents system crashes and data corruption
• Ensures reliable system startup
• Extends battery life in portable applications
• Saves valuable board space
• Provides a clean and stable reset signal
• Simplifies interfacing with various logic circuits

Additional Details

The S-80942CNMC-G9C-T2 includes built-in hysteresis, which prevents oscillations near the threshold voltage, ensuring a stable reset signal. Its open-drain output allows for flexible connection to different voltage levels and logic families. The device's low current consumption makes it ideal for battery-operated applications. This voltage detector is a critical component in many electronic systems, ensuring reliable voltage monitoring and reset functionality.

The precise voltage detection of the S-80942CNMC-G9C-T2 provides reliable reset operation. The small package size simplifies integration into densely populated circuit boards. The open-drain output configuration offers versatility in connecting to different voltage levels and logic families. The hysteresis feature prevents unwanted reset signals caused by minor voltage fluctuations.