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MAX706SCPA from MAX,MAXIM - Dallas Semiconductor

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MAX706SCPA

Manufacturer: MAX, MAXIM

+3V Voltage Monitoring, Low-Cost, レP Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX706SCPA MAX, MAXIM 2788 In Stock

Description and Introduction

+3V Voltage Monitoring, Low-Cost, レP Supervisory Circuits The MAX706SCPA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Manufacturer:**  
Maxim Integrated (Analog Devices)  

### **Specifications:**  
- **Supply Voltage (VCC):** +1.0V to +5.5V  
- **Reset Threshold Voltage Options:**  
  - 4.40V (MAX706)  
  - 4.00V (MAX706A)  
  - 3.08V (MAX706S)  
  - 2.93V (MAX706T)  
- **Reset Timeout Period:** 200ms (min)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 8-Pin PDIP (Plastic Dual In-Line Package)  
- **Manual Reset Input:** Active-low (MR) with internal pull-up  
- **Watchdog Timer:** 1.6s timeout (default)  

### **Descriptions:**  
The MAX706SCPA is a μP supervisory circuit designed to monitor power supply voltages and provide reset signals to microprocessors during power-up, power-down, or brownout conditions. It includes a watchdog timer, manual reset input, and power-fail comparator for reliable system monitoring.  

### **Features:**  
- **Precision Voltage Monitoring:** Ensures proper reset assertion when VCC falls below the threshold.  
- **Watchdog Timer:** Resets the system if software fails to toggle the watchdog input (WDI) within 1.6s.  
- **Manual Reset Input:** Allows external pushbutton reset control.  
- **Power-Fail Comparator:** Monitors an auxiliary voltage for early warning of power loss.  
- **Low Power Consumption:** Typically 50μA supply current.  
- **Guaranteed Reset Output Valid to VCC = 1.0V.**  

This device is commonly used in embedded systems, industrial controls, and automotive applications requiring reliable power supervision.  

For detailed datasheets, refer to the manufacturer's documentation.

Application Scenarios & Design Considerations

+3V Voltage Monitoring, Low-Cost, レP Supervisory Circuits

Alternative Part Number

  • ADM706AN --: Pin-compatible supervisory IC with the same reset threshold and functions, widely used as a direct substitute.
  • DS1232LP --: Microprocessor supervisor with reset and watchdog functions, suitable replacement with similar electrical characteristics.
  • TL7705ACP --: Voltage supervisor with reset output, commonly used alternative for supply monitoring applications.
  • IMP706CPA --: Drop-in replacement supervisor IC with the same reset threshold and watchdog timer, widely used as a MAX706 substitute.
  • TPS3705-33D --: Supervisory circuit offering reset and watchdog functions in an 8-pin package, suitable alternative when exact pinout matching is not critical.

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