The S-80942ANMP-DD6T2G is a voltage detector IC manufactured by SII Semiconductor Corporation. This device is designed to monitor voltage levels and issue a reset signal when the voltage drops below a predetermined threshold. This functionality is critical in ensuring the reliable operation of microcontrollers, CPUs, and other sensitive electronic components.

Applications

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

Features

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

Benefits

• Prevents erroneous operation of microcontrollers and CPUs
• Ensures proper system initialization
• Extends battery life in portable applications
• Saves board space due to its compact size
• Provides stable and reliable reset signal
• Reduces the risk of data corruption

Additional Details

The S-80942ANMP-DD6T2G incorporates hysteresis to prevent oscillations near the threshold voltage, enhancing the stability of the reset signal. Its open-drain output offers flexibility in interfacing with various logic circuits. The device's low current draw is especially beneficial in battery-operated systems, contributing to longer run times. This voltage detector is an essential component in systems requiring dependable voltage monitoring and reset functionality.

The precise voltage detection capability of the S-80942ANMP-DD6T2G ensures that the reset signal is asserted only when necessary, avoiding unnecessary interruptions to the system's operation. The device's small footprint allows for easy integration into densely populated circuit boards. The open drain output configuration provides versatility in connecting to different voltage levels and logic families.