The MAX708TD from NXP Semiconductors is a highly sophisticated microprocessor (µP) supervisory circuit designed to monitor power supplies in digital systems. It provides a significant layer of protection by ensuring that the µP and its associated hardware operate within safe voltage levels. This product is particularly beneficial for systems that require a reliable operation over a wide range of supply conditions.

Key Features

• Precision Voltage Monitoring: The MAX708TD offers precise monitoring of the power supply voltage, ensuring the system operates within the specified voltage range for optimal performance.
• Power-On Reset Control: Upon power-up, the device generates a reset signal to the µP, which lasts until the power supply has stabilized, guaranteeing a clean start for the processor.
• Manual Reset Capability: It includes a manual reset feature that allows for an external push-button to initiate a system reset, providing an additional level of user control.
• Low Power Consumption: Designed for power-sensitive applications, the MAX708TD operates with minimal power consumption, making it suitable for battery-operated devices.
• Watchdog Timer: The built-in watchdog timer ensures that the µP does not hang in an unresponsive state, by automatically resetting the µP if it fails to strobe within a preset time frame.

Applications

The MAX708TD is versatile and can be used in a variety of applications, including:

• Computers and Servers
• Embedded Systems
• Industrial Controllers
• Portable/Battery-Powered Equipment

Technical Specifications

Parameter Value Supply Voltage Range 1.0V to 5.5V Reset Threshold Voltage Adjustable via External Components Operating Temperature -40°C to +85°C Package Type 8-Pin SOIC (TD)

With the MAX708TD, NXP delivers a robust solution for system stability and reliability, ensuring that digital systems maintain their integrity and performance even in the most challenging conditions.