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MAX708CUA+ from MAIXM

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MAX708CUA+

Manufacturer: MAIXM, MAXIM

Low-Cost, µP Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX708CUA+ MAIXM, MAXIM 2650 In Stock

Description and Introduction

Low-Cost, µP Supervisory Circuits The MAX708CUA+ is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX708CUA+  
- **Package:** 8-pin μMAX  
- **Supply Voltage (VCC):** 1.2V to 5.5V  
- **Reset Threshold Options:** 2.63V, 2.93V, 3.08V, 4.38V, 4.63V (factory-set)  
- **Reset Timeout Period:** 200ms (min)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** 35μA (typical)  

### **Descriptions:**
- The MAX708CUA+ monitors system voltage and provides a reset signal to the microprocessor if the voltage falls below a preset threshold.  
- It includes manual reset input capability for external reset control.  
- Designed for low-power applications, ensuring reliable system operation during power-up, power-down, and brownout conditions.  

### **Features:**
- **Precision Voltage Monitoring:** Ensures accurate reset assertion when VCC drops below the threshold.  
- **Manual Reset Input:** Allows external reset triggering via a pushbutton or logic signal.  
- **Low Power Consumption:** 35μA typical supply current.  
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures reliable operation even at low voltages.  
- **No External Components Required:** Simplifies circuit design.  
- **Space-Saving μMAX Package:** Suitable for compact PCB layouts.  

This device is commonly used in embedded systems, industrial controls, and battery-powered applications where reliable power monitoring is critical.

Application Scenarios & Design Considerations

Low-Cost, µP Supervisory Circuits

Alternative Part Number

  • ADM708ANZ --: Pin-compatible microprocessor supervisor with reset and watchdog functions, widely available and a direct functional drop-in for the MAX708.
  • TL7705ACP --: Classic 5V supply voltage supervisor with reset output, similar threshold and timing behavior, from a different series and vendor.
  • MC34064P-5 --: Low-cost 5V undervoltage sensing circuit with reset output, suitable as a functional substitute in many supervisor applications.

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