MAX6314US44D3

Supervisors Overview

The MAX6314US44D3 is a low-power CMOS microprocessor supervisory circuit manufactured by Analog Devices Inc. (Maxim Integrated). It monitors a single power supply input with a fixed threshold voltage of 4.4V and an overvoltage threshold of 4.5V. The device features an active-low, bidirectional reset output compatible with 68HC11 microprocessors. It includes manual reset functionality and operates within a supply voltage range up to 5.5V. The quiescent current is 5µA, with a reset delay time of 200ms and accuracy of 1.8%. It functions in temperatures from -40°C to +85°C and is housed in a SOT-143-4 package.

Supervisors Feature Summary

• Bidirectional RESET output enables direct connection to microprocessors with bidirectional reset inputs, such as the 68HC11 family.

Supervisors Applications

• Monitoring power supplies in microprocessor systems
• Digital system supervision

Supervisors Procurement Notes

Verify the specific suffix D3 against official datasheets to confirm pinout and electrical characteristics match design requirements. Confirm RoHS compliance status for the specific manufacturing batch. Check availability through authorized distributors as stock levels fluctuate. Ensure the SOT-143-4 package footprint aligns with PCB layout constraints.

Supervisors Selection Notes

Select this component when a bidirectional reset interface is required for legacy or specific microcontroller architectures like the 68HC11. Choose based on the fixed 4.4V threshold suitability for the target rail. Consider the 5µA operating current for low-power applications. Verify that the 200ms reset delay meets system startup timing requirements.

Supervisors Part Context

The MAX6314 belongs to the Maxim Integrated uP Reset Circuit series designed for monitoring power supplies in microprocessor and digital systems. This series eliminates external components and adjustments, offering excellent circuit reliability at low cost. The MAX6314 variant specifically targets applications requiring bidirectional compatibility with microprocessor reset lines.

Supervisors FAQ

What is the specific function of the bidirectional output?

The bidirectional output allows the MAX6314 to be directly connected to microprocessors with bidirectional reset inputs, such as the 68HC11, without additional interface circuitry.

Does the MAX6314 include a watchdog timer?

No, the MAX6314 does not include a watchdog timer; it functions solely as a voltage supervisory circuit with manual reset capability.