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Product Detailed Parameters
- Description：IC SUPERVISOR 1 CHANNEL SOT23-3
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR),Bulk
- Type：Simple Reset/Power-On Reset
- Number of Voltages Monitored：1
- Voltage - Threshold：1.6V
- Output：Open Drain or Open Collector
- Reset：Active Low
- Reset Timeout：20ms Minimum
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
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Overview
The MAX6334UR16D2+T is a microprocessor supervisory circuit designed for 1.8V to 3.3V digital systems. It monitors the VCC supply voltage and asserts an active-low, open-drain reset signal when the voltage declines below a preset threshold of 1.6V. The device maintains this reset state for a minimum timeout period of 100ms after VCC rises above the threshold. It operates with a low supply current of 3.3µA and functions within a temperature range of -40°C to +125°C in a 3-pin SOT-23 package.
Feature Summary
- Monitors power supply voltage and asserts reset when falling below a factory-trimmed threshold
- Provides an active-low, open-drain output suitable for wired-OR configurations
- Ensures correct reset state down to 1.0V supply voltage
- Designed to ignore fast transients on the VCC supply line
Applications
- Microprocessor (µP) system supervision
- Digital system power monitoring
- Battery-powered devices requiring low quiescent current
Procurement Notes
Verify the specific suffix D2 against official Analog Devices documentation to confirm the exact 1.6V threshold and package variant. Confirm RoHS compliance status and lead times directly with authorized distributors, as availability may vary by region. Ensure the open-drain output configuration matches your system's logic requirements.
Selection Notes
Select this component when an active-low, open-drain reset output is required for 1.6V threshold monitoring. It is suitable for applications needing immunity to supply voltage transients and operation down to 1.0V. Compare with MAX6333 if a push-pull output is preferred instead of open-drain.
Part Context
Part of the MAX6332/MAX6333/MAX6334 family of ultra-low-voltage, low-power µP reset circuits. These devices eliminate external components and adjustments, increasing reliability while reducing cost in space-critical designs.
Replacement Considerations
MAX6333 series offers similar functionality but with a push-pull output. Verify pinout compatibility and output drive requirements before substitution.
