G681

Global Mixed-mode Technology Inc. G680/G681 Microprocessor Reset IC Features „High ±2% Voltage Threshold Accuracy „Independently Adjustable High- and Low- Voltage Thresholds „Fully Specified Over Temperature „Available in Three Output Configurations Push-Pull RESET Output (G680L) Push-Pull RESET Output (G680H) Open-Drain RESET Output (G681L) „140ms min Power-On Reset Pulse Width „4µA Supply Current „Power Supply Transient Immunity „5-Pin SOT23-5 Packages Applications „Computers „Controllers „Intelligent Instruments „Critical µP and µC Power Monitoring „Portable / Battery-Powered Equipment „Automotive General Description The G680/G681 are microprocessor (µP) supervisory circuits used to monitor the power supplies in µP and digital systems. High- and Low- voltage thresholds can be adjusted independently, allowing for wide hysteresis. Voltage detection thresholds are accurate to 2%. These circuits perform a single function: they assert a reset signal ...