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Product Detailed Parameters
- Description：IC SUPERVISOR 2 CHANNEL SOT23-5
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Type：Multi-Voltage Supervisor
- Number of Voltages Monitored：2
- Voltage - Threshold：1.67V, 3.08V
- Output：Push-Pull, Totem Pole
- Reset：Active Low
- Reset Timeout：100ms Minimum
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
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Overview
The MAX6354TWUK+T is a dual-voltage microprocessor supervisory circuit in a SOT-23-5 package. It monitors two input supplies with threshold voltages of 3.08 V and 4.63 V, asserting active-low push-pull outputs referenced to VCC2 when thresholds are exceeded. The device features a manual reset input, an 180 ms reset delay, and operates within a supply range up to 5.5 V. It maintains functionality with inputs above +1.0 V, consumes 20 µA, and offers 1.5% accuracy over the -40°C to +85°C temperature range.
Feature Summary
- Monitors multiple power-supply voltages with precision factory-set thresholds
- Provides active-low, push-pull reset outputs referenced to specific supply rails
- Includes debounced manual-reset input compatible with TTL/CMOS logic
Applications
- Dual-rail system power monitoring
- Microprocessor voltage supervision
- Embedded system reliability enhancement
Procurement Notes
Verify the exact suffix (TWUK vs LTUK) against the manufacturer's current datasheet to confirm pinout and electrical specifications match your design requirements. Confirm RoHS compliance status directly with Analog Devices or authorized distributors, as packaging variations may exist. Ensure the component source is reputable to avoid counterfeit parts, especially given potential obsolescence or limited availability for specific suffixes.
Selection Notes
Select this component when precise monitoring of two distinct voltage rails is required with outputs referenced to one of those rails. The SOT-23-5 package suits space-constrained designs. Verify that the fixed threshold voltages of 3.08 V and 4.63 V align with the target supply levels. Consider the 180 ms reset delay and lack of watchdog timer if system timing constraints require different response characteristics.
Part Context
This part belongs to the MAX635x series of dual/triple-voltage supervisors from Maxim Integrated. These devices improve system reliability by replacing discrete components with integrated solutions. The series offers various threshold combinations and output configurations, including watchdog timers in other variants like the MAX6358. The TWUK suffix indicates a specific tape-and-reel packaging option in the SOT-23-5 footprint.
FAQ
What is the reference rail for the reset output?
The reset output is referenced to VCC2.
Does this device include a watchdog timer?
No, the MAX6354 does not include a watchdog timer; it only provides voltage supervision and manual reset capabilities.
