Maxim Integrated MAX6340UK40 Microprocessor Reset Circuit

The Maxim Integrated MAX6340UK40 is a highly reliable, ultra-low-power microprocessor (µP) supervisory circuit designed to monitor power supplies and microprocessor activity in digital systems. It provides excellent circuit reliability and low cost by eliminating external components and adjustments when used with 4V-powered circuits.

Key Features

• Precision Monitoring: This device features a precision factory-set V<sub>CC reset threshold at 4.00V, ensuring accurate monitoring of the system power supply.
• Low Power Consumption: With its ultra-low 1.2µA supply current, the MAX6340UK40 is ideal for power-sensitive applications, contributing to overall energy efficiency.
• Manual Reset Input: The manual reset input allows for a reset to be triggered with an external pushbutton or logic signal, providing additional system control.
• Reset Timeout: It features a 140ms min reset active timeout period, which gives the system adequate time to stabilize after a reset event.
• Compact Package: The device comes in a compact SOT23-5 package, which is suitable for space-constrained applications.
• Operating Temperature Range: The MAX6340UK40 operates over the extended -40°C to +85°C temperature range, accommodating a wide array of environmental conditions.

Applications

The MAX6340UK40 is versatile and can be used in a variety of applications where accurate system monitoring is crucial. It is particularly well-suited for:

• Portable/Battery-Powered Equipment
• Computers and Controllers
• Embedded Systems
• Data Storage Equipment
• Telecommunications Systems

Product Summary

The Maxim Integrated MAX6340UK40 is engineered to enhance system reliability through its precision monitoring capabilities and robust feature set. Its ultra-low power consumption and compact form factor make it an excellent choice for modern electronic systems that demand minimal power draw without sacrificing performance. Whether used in portable devices or complex telecommunications systems, the MAX6340UK40 provides a straightforward, effective solution for system reset and power management needs.