Maxim Integrated's MAX6864UK21D3L+T Microprocessor Reset Circuit

The MAX6864UK21D3L+T is a highly reliable microprocessor (µP) supervisory circuit designed by Maxim Integrated to monitor power supplies in digital systems. It provides excellent circuit reliability and low cost by eliminating external components and adjustments when used with 5V-powered circuitry. This component is particularly suitable for portable, battery-powered applications due to its low power consumption and compact SOT23 package.

Key Features

• Voltage Monitoring Precision: The MAX6864UK21D3L+T offers a precise monitoring threshold voltage of 2.1V, making it ideal for systems that require consistent and accurate voltage supervision.
• Low Power Consumption: With its low supply current of only 1.6µA, this device is energy-efficient, which helps to extend battery life in portable applications.
• Reset Timeout: It features a 3.1ms minimum reset timeout duration, ensuring that the system has ample time to stabilize before it resumes operation after a reset event.
• Manual Reset Input: A manual reset input is provided, giving users the flexibility to initiate a system reset independently of the automatic monitoring function.
• High Operating Temperature: The device operates over an extended temperature range of -40°C to +125°C, making it suitable for industrial applications with harsh environmental conditions.
• Compact Packaging: The MAX6864UK21D3L+T comes in a small SOT23-5 package, ideal for space-constrained applications.
• Immune to Short V_CC Transients: It is designed to be immune to short-duration transients on the V_CC line, which enhances the stability of the system it monitors.

Applications

The MAX6864UK21D3L+T is versatile and can be used in a wide array of applications, including:

• Portable/Battery-Powered Equipment
• Computers and Controllers
• Embedded Systems
• Data Storage Equipment
• Medical Devices
• Automotive Systems

Maxim Integrated's dedication to innovation is evident in the MAX6864UK21D3L+T, which is designed to enhance system reliability through its precise voltage monitoring and reset capabilities. Whether it's to protect the integrity of data in computers or ensure the consistent operation of medical devices, this µP supervisory circuit is an excellent choice for a variety of critical applications.