MAX6354RVUK

Overview

The MAX6354RVUK+T is a dual-voltage microprocessor supervisory circuit manufactured by Analog Devices Inc. (Maxim Integrated). It monitors two independent power-supply voltages, with thresholds set at 3.08V and 4.63V. The device features active-low, push-pull reset outputs referenced to VCC2. Key electrical parameters include a maximum supply voltage of 5.5V, a quiescent current of 20µA, and a reset delay time of 180ms. It operates within a temperature range of -40°C to +85°C and offers 1.5% accuracy for threshold monitoring.

Feature Summary

• Monitors two distinct input supply voltages simultaneously
• Provides active-low, push-pull reset outputs referenced to the second supply rail
• Includes a debounced manual reset input compatible with TTL/CMOS logic levels
• Operates with low supply current suitable for battery-powered applications

Applications

• Dual-rail power systems in portable equipment
• Battery-powered instrumentation requiring voltage supervision
• Controllers needing simultaneous monitoring of multiple voltage rails
• Intelligent instruments with strict power integrity requirements

Procurement Notes

Verify the specific suffix 'RV' against official datasheets to confirm exact threshold voltages, as variations exist within the MAX6354 family. Confirm RoHS compliance status and lead times directly with authorized distributors, as availability may be limited. Ensure the package type matches the SOT-23-5 footprint required for the design.

Selection Notes

Select this component when dual-voltage monitoring is required without external components. Compare threshold values against system supply rails to ensure proper assertion timing. Consider the 180ms reset delay and 20µA current consumption relative to system power budgets. Verify compatibility with the target operating temperature range of -40°C to +85°C.

Part Context

The MAX6354 belongs to the MAX6351–MAX6360 series of dual/triple-voltage supervisory circuits. These devices improve system reliability by replacing discrete monitoring components. The MAX6354 specifically offers an output referenced to VCC2, distinguishing it from variants like the MAX6353 which reference VCC1. All devices in this series share common features such as factory-set thresholds and small SOT23 packaging.

Replacement Considerations

Compatible substitutes within the same family include MAX6353RVUK+T and MAX6355RVUK+T. Verify that the replacement part has matching threshold voltages and output referencing (VCC1 vs VCC2) before integration.