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MAX708TESA+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX708TESA+T

Manufacturer: MAXIM, MAX

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

Partnumber Manufacturer Quantity Availability
MAX708TESA+T,MAX708TESAT MAXIM, MAX 27505 In Stock

Description and Introduction

+3V Voltage Monitoring, Low-Cost, µP Supervisory Circuits The MAX708TESA+T is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Manufacturer:**  
Maxim Integrated (now part of Analog Devices)  

### **Description:**  
The MAX708TESA+T is a precision voltage monitor designed to ensure proper operation of microprocessors and digital systems. It provides reset signals during power-up, power-down, and brownout conditions.  

### **Features:**  
1. **Reset Threshold Options:**  
   - Available in preset voltage thresholds (e.g., 2.63V, 2.93V, 3.08V, 4.38V, 4.63V).  

2. **Reset Output:**  
   - Active-low RESET signal with a 140ms (min) delay.  

3. **Manual Reset Input:**  
   - Includes a push-button reset input for user-initiated resets.  

4. **Dual Watchdog Timer:**  
   - Independent watchdog timer with a 1.6s timeout period.  

5. **Power-Fail Comparator:**  
   - Monitors an auxiliary voltage for early warning of power failure.  

6. **Low Supply Current:**  
   - Typically consumes 50μA (max 100μA).  

7. **Operating Voltage Range:**  
   - Operates from 1V to 5.5V.  

8. **Temperature Range:**  
   - Industrial-grade operation: -40°C to +85°C.  

9. **Package:**  
   - 8-pin SOIC (TESA+T denotes tape-and-reel packaging).  

### **Applications:**  
- Microprocessor and microcontroller supervision  
- Embedded systems  
- Industrial controls  
- Automotive electronics  

This information is sourced from Maxim Integrated's datasheet for the MAX708TESA+T.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • ADM708TARZ --: Pin-compatible supervisory IC with the same reset threshold and active-low reset function; widely available and a direct drop-in replacement.
  • TL7705ACDR --: Voltage supervisor with adjustable threshold and reset output, functionally similar to the MAX708 and commonly used as a substitute in supervisory circuits.
  • MC33064D-5G --: Undervoltage sensing circuit with reset output, suitable as a lower-cost alternative for supply monitoring applications.

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