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MAX708TCUA-T from ON,ON Semiconductor

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MAX708TCUA-T

Manufacturer: ON

+3V Voltage Monitoring, Low-Cost, µP Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX708TCUA-T,MAX708TCUAT ON 310 In Stock

Description and Introduction

+3V Voltage Monitoring, Low-Cost, µP Supervisory Circuits The MAX708TCUA-T is a microprocessor (μP) supervisory circuit manufactured by ON Semiconductor.  

### **Specifications:**  
- **Supply Voltage (VCC):** 1.2V to 5.5V  
- **Reset Threshold Options:** Adjustable or fixed (2.63V, 2.93V, 3.08V, 4.38V, 4.63V)  
- **Reset Timeout Period:** 140ms (min), 280ms (typ)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin μMAX (TSSOP)  

### **Descriptions:**  
The MAX708TCUA-T monitors system voltage levels and provides a reset signal to the microprocessor in case of power failure or brownout conditions. It ensures proper system initialization and prevents data corruption.  

### **Features:**  
- **Manual Reset Input:** Allows external pushbutton reset control.  
- **Power-Fail Comparator:** Provides early warning for power loss.  
- **Low Quiescent Current:** Typically 50μA.  
- **Guaranteed Reset Assertion Down to VCC = 1V.**  
- **Space-Saving Package:** 8-pin μMAX (TSSOP) for compact designs.  

This device is commonly used in embedded systems, industrial controls, and battery-powered applications.

Application Scenarios & Design Considerations

+3V Voltage Monitoring, Low-Cost, µP Supervisory Circuits

Alternative Part Number

  • ADM708TARZ --: Pin-compatible microprocessor supervisor with reset and watchdog functions, same T-grade threshold, widely available and a common drop-in replacement.
  • TL7705ACDR --: Classic 5V supply supervisor with reset output and programmable delay, functionally similar and very cost-effective for MAX708 applications.
  • MC33064D-5G --: Undervoltage sensing circuit with reset output from the same manufacturer family, suitable for 5V monitoring where watchdog is not required.

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