Maxim Integrated MAX708S Microprocessor Supervisory Circuit

The Maxim Integrated MAX708S is a compact, highly-reliable supervisory circuit designed to monitor power supplies and microprocessor activity, safeguarding systems against software glitches, power failures, and other malfunctions. This essential component is engineered to maintain the integrity of digital systems by monitoring the system voltage and providing a reset signal to the connected microprocessor during power-up, power-down, and brown-out conditions.

The MAX708S features a combination of functions that make it an excellent choice for a wide range of applications, including computers, controllers, intelligent instruments, critical microprocessor and microcontroller power monitoring. Its key features include:

• Reset Output: The device generates a reset signal whenever the VCC supply voltage declines below a preset threshold, ensuring the microprocessor restarts cleanly during power-up or after a voltage dip.
• Manual Reset Capability: An external input allows for a manual reset, providing designers with the flexibility to initiate a system reset as required.
• Low Power Consumption: With its low quiescent current draw, the MAX708S is suitable for portable and battery-powered applications, contributing to longer battery life and energy efficiency.
• Watchdog Timer: An onboard watchdog timer helps to detect and recover from software failures, triggering a system reset if the microprocessor or software becomes unresponsive.
• Voltage Monitor: The precision voltage monitor keeps a watchful eye on the system voltage, ensuring the connected microprocessor operates within the safe voltage range.

The MAX708S is available in a variety of packages including the 8-pin SO and 8-pin μMAX, providing flexibility to fit into different design layouts. The device operates over a wide temperature range, making it suitable for use in environments with varying thermal conditions.

With its robust feature set and Maxim Integrated's reputation for quality, the MAX708S is a trusted solution for enhancing system reliability and preventing data corruption due to power anomalies or system errors.