The S-80942CNMC-M5001 is a voltage detector manufactured by SII Semiconductor Corporation. It's designed to monitor voltage levels in electronic circuits and generate a reset signal when the voltage falls below a specific threshold. This ensures proper system operation by preventing malfunctions due to low voltage conditions.

Applications

• Microcontroller reset circuits
• CPU reset circuits
• Power supply monitoring
• Battery-powered devices
• Real-time clocks (RTCs)
• Memory protection circuits

Features

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

Benefits

• Prevents data corruption and system crashes
• Ensures reliable system startup and shutdown
• Extends battery life in portable devices
• Reduces board space requirements
• Provides a clean and stable reset signal
• Facilitates easy interfacing with other circuits

Additional Details

The S-80942CNMC-M5001 incorporates hysteresis to prevent oscillations around the threshold voltage, ensuring a stable and reliable reset signal. Its open-drain output provides flexibility in interfacing with various logic circuits. The device's low power consumption is beneficial in battery-powered systems, contributing to longer operational times. This voltage detector is a crucial component in applications that demand dependable voltage monitoring and reset functionality.

The precise voltage detection capability of the S-80942CNMC-M5001 ensures that the reset signal is activated only when necessary, preventing unwanted interruptions. The device's compact size facilitates easy integration into densely populated circuit boards. The open-drain output configuration allows for versatile connections to different voltage levels and logic families.