MAX6324CUT29-T

Supervisors Overview

The MAX6324CUT29-T is a microprocessor supervisory circuit manufactured by Analog Devices Inc./Maxim Integrated. It monitors power supplies and microprocessor activity in digital systems, featuring a windowed watchdog timer and manual reset capability. The device provides an open-drain or open-collector RESET output that asserts low when the supply voltage falls below the 2.93V threshold or when the manual reset input is asserted. It operates within a supply voltage range of up to 5.5V and supports a minimum operating voltage of 1.2V for valid RESET output. The component is housed in a SOT-23-6 surface-mount package and functions across a temperature range of -40°C to +125°C.

Supervisors Feature Summary

• Integrates a windowed watchdog timer to detect abnormal system activity outside expected operational windows.
• Provides a manual reset input (MR) allowing external assertion of the reset signal.
• Features an open-drain or open-collector RESET output compatible with various logic families.
• Guarantees valid RESET output down to a supply voltage of 1.2V.

Supervisors Applications

• Microprocessor (µP) supervisory circuits in digital systems
• Industrial control systems requiring power monitoring
• Automotive electronic applications

Supervisors Procurement Notes

Verify current availability status as this specific part number may be obsolete or subject to limited supply conditions. Confirm that the open-drain output configuration meets the target circuit requirements. Ensure the 2.93V threshold aligns with the monitored rail specifications. Check for RoHS compliance documentation if required by project standards. Validate the SOT-23-6 footprint compatibility during PCB layout finalization.

Supervisors Selection Notes

Select this component when an open-drain reset output is preferred over push-pull configurations. The fixed 2.93V threshold suits applications monitoring 3.3V or similar rails where precise low-voltage detection is needed. Consider the 27µA typical supply current for battery-sensitive designs. The windowed watchdog feature is essential for detecting software hangs or stuck processors. Verify that the manual reset pin can be adequately driven by the system interface.

Supervisors Part Context

This device belongs to the MAX6323/MAX6324 family of µP supervisory circuits. The MAX6324 variant specifically offers an open-drain/reset output, distinguishing it from the push-pull MAX6323. These circuits are designed to monitor power supplies and ensure system reliability through automated watchdog and manual reset mechanisms. The family supports multiple laser-trimmed thresholds with high accuracy.

Supervisors Replacement Considerations

The MAX6323HUT29+ is a related part offering push-pull output instead of open-drain. Other MAX6324 variants with different thresholds (e.g., CUT23, CUT26) may serve as functional substitutes if voltage levels differ. Verify pinout compatibility and output drive requirements before substituting.