MAX6314US29D3+T

Supervisors Overview

The MAX6314US29D3+T is a low-power CMOS microprocessor supervisory circuit manufactured by Analog Devices Inc. under the Maxim Integrated brand. It monitors a single power supply with a fixed threshold voltage of 2.9V and an overvoltage threshold of 2.97V. The device features a bidirectional active-low reset output compatible with interfaces such as the 68HC11. It operates within a supply voltage range up to 5.5V, consumes 5µA of supply current, and provides a reset delay time of 200ms. Accuracy is specified at 1.8%, and it functions in temperatures from -40°C to +85°C.

Supervisors Feature Summary

• Bidirectional RESET output for direct connection to microprocessors with bidirectional inputs
• Manual reset input capability for system control
• Low quiescent current consumption suitable for power-sensitive applications

Supervisors Applications

• Microprocessor (µP) systems requiring voltage supervision
• Digital systems needing reliable power-on reset
• Embedded controllers utilizing bidirectional reset interfaces

Supervisors Procurement Notes

Verify the exact threshold voltage suffix against official datasheets, as variations exist within the MAX6314 family. Confirm package integrity for SOT-143-4 components. Check RoHS compliance status via manufacturer documentation. Ensure compatibility with bidirectional logic levels if interfacing with legacy processors like 68HC11. Validate operating temperature range requirements against specific application environments.

Supervisors Selection Notes

Select this component when a bidirectional reset interface is required rather than open-drain or push-pull outputs. Compare against MAX6315 variants if higher temperature ratings or different thresholds are needed. Consider the 200ms timeout duration against system startup requirements. Evaluate the 5µA current draw against battery life constraints. Verify that the 2.9V threshold aligns precisely with the monitored rail's minimum operating voltage.

Supervisors Part Context

This part belongs to the MAX6314 series of µP reset circuits designed for monitoring single power supplies. It distinguishes itself through its bidirectional output structure, unlike other series members that offer open-drain or push-pull configurations. The series focuses on eliminating external components while ensuring circuit reliability in digital systems.

Supervisors Replacement Considerations

MAX6314US33D3+T offers a 3.3V threshold with identical bidirectional functionality. MAX6315US29D3+T provides a similar 2.9V threshold but uses an open-drain output instead of bidirectional. Verify pinout compatibility and electrical characteristics before substitution.