Maxim Integrated's MAX6864UK22D3L+T Microprocessor Supervisor

The MAX6864UK22D3L+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 in systems with a 2.2V power supply voltage.

This supervisory circuit is ideal for portable and battery-powered equipment such as PDAs, portable media players, and mobile phones. It ensures that the microprocessor will always start up in a known state by monitoring the power supply voltage and asserting a reset signal whenever the supply voltage drops below a preset threshold.

Key features of the MAX6864UK22D3L+T include:

• Precision Monitoring: It offers a factory-trimmed reset threshold for 2.2V power supplies, ensuring precise monitoring without the need for external adjustments.
• Low Power Consumption: The device operates with very low supply current, typically 1.6µA, making it suitable for power-sensitive applications.
• Manual Reset Input: A manual reset input is provided, allowing the system to be reset with an external pushbutton or logic signal.
• Reset Timeout: The reset output remains asserted for a fixed timeout period after VCC has risen above the reset threshold, providing a guaranteed reset signal duration.
• Compact Package: Available in a small SOT23-5 package, it saves space on PCBs and is suitable for high-density board designs.
• Temperature Range: The device operates over an extended temperature range of -40°C to +85°C, making it reliable in various environmental conditions.
• Immune to Short VCC Transients: The circuitry is designed to ignore fast transients on VCC, reducing the chance of nuisance resets.

The MAX6864UK22D3L+T is supplied in a tape and reel format denoted by the "+T" suffix, which facilitates automated manufacturing processes. With its robust feature set, the MAX6864UK22D3L+T is an excellent choice for designers looking for a microprocessor supervisory circuit that combines high reliability with ease of integration.

For further details, datasheets, and support, visit Maxim Integrated's official website or contact their customer support team.