Maxim Integrated MAX6821ZUK+T Microprocessor (µP) Supervisory Circuits

The Maxim Integrated MAX6821ZUK+T is a compact, highly reliable microprocessor 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 in systems that require voltage monitoring and processor supervision.

Key Features

• Precision Monitoring: The MAX6821ZUK+T offers precision monitoring of +2.5V, +3V, +3.3V, and +5V power-supply voltages, ensuring that your system operates within the intended voltage parameters.
• Low Power Consumption: With its low power consumption, this supervisory circuit is an ideal choice for power-sensitive applications, contributing to overall energy efficiency.
• Manual Reset Input: This feature allows for a manual system reset, which can be invaluable for debugging and system maintenance.
• Compact SOT23 Packaging: The device comes in a small, 5-pin SOT23 package, making it suitable for space-constrained applications without compromising performance.

Applications

The MAX6821ZUK+T is versatile and can be used in a wide range of applications, including:

• Computers and servers
• Embedded systems
• Portable/battery-powered equipment
• Intelligent instruments
• Industrial controllers

Performance Advantages

Maxim Integrated's MAX6821ZUK+T supervisory circuit stands out for its ability to combine high accuracy with a reset threshold voltage accuracy of ±1.5% over temperature. It also features an active-low reset output, which remains asserted for a minimum of 140ms after VCC has risen above the reset threshold. This ensures a proper system reset and provides a stable operation under a variety of conditions.

Reliability and Quality

As with all Maxim Integrated products, the MAX6821ZUK+T is manufactured to high standards, ensuring dependable performance and longevity. It is a testament to Maxim Integrated's commitment to providing quality components that meet the rigorous demands of modern electronic systems.