The DS1708RESA from Maxim Integrated is a microprocessor supervisory circuit that provides an essential function to digital systems by monitoring the power supply. This compact, highly integrated device is designed to ensure that the system’s microprocessor is reset to a known state during power-up, power-down, or if a brownout condition occurs.

Key Features:

• Precision Monitoring: The DS1708RESA offers precise monitoring of the system voltage, ensuring reliable operation by providing a reset signal to the microprocessor during out-of-tolerance power supply conditions.
• Programmable Reset Timeout: It features a programmable reset timeout delay, which allows designers to set the duration of the reset signal according to specific system requirements.
• Low Power Consumption: Designed for efficiency, the device consumes minimal power, making it suitable for use in power-sensitive applications.
• Manual Reset Capability: A manual reset input is provided, enabling the system to be reset via an external pushbutton or logic signal for added flexibility.
• High Accuracy: The reset threshold is factory-trimmed to high accuracy, ensuring dependable performance without the need for external components.

Applications:

The DS1708RESA is a versatile component that can be used in a wide range of applications where reliable system operation is critical. These include:

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

Technical Specifications:

The DS1708RESA comes in an 8-pin SOIC (150mil) package and operates over a wide temperature range, making it suitable for various environments. It has a supply voltage range that supports 5V systems and offers active-low reset output for direct interfacing with microprocessors.

Conclusion:

Maxim Integrated's DS1708RESA is a robust and reliable solution for system monitoring and reset management. With its precision voltage monitoring and programmable features, it provides an essential safeguard for digital systems, ensuring proper operation and preventing data corruption due to power anomalies.