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MAX706PCSA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX706PCSA+

Manufacturer: MAXIM, N/A

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

Partnumber Manufacturer Quantity Availability
MAX706PCSA+,MAX706PCSA MAXIM, N/A 2524 In Stock

Description and Introduction

+3V Voltage Monitoring, Low-Cost, µP Supervisory Circuits **Manufacturer:** MAXIM (now part of Analog Devices)  

**Part Number:** MAX706PCSA+  

### **Specifications:**  
- **Type:** Microprocessor Supervisory Circuit  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage Range:** 1.0V to 5.5V  
- **Reset Threshold Options:** Adjustable or fixed (4.63V, 4.38V, 3.08V, 2.93V, 2.63V, 2.32V)  
- **Reset Timeout Period:** 140ms (min), 280ms (typ)  
- **Watchdog Timer Timeout:** 1.6s (adjustable via external capacitor)  
- **Manual Reset Input:** Active-low (MR)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Power-On Reset (POR) Function:** Yes  
- **Low Quiescent Current:** 35µA (typ)  

### **Descriptions:**  
The MAX706PCSA+ is a microprocessor supervisory circuit designed to monitor power supply voltages and provide reset signals to microprocessors or microcontrollers. It ensures proper system operation by generating a reset signal during power-up, power-down, or brownout conditions. It also includes a watchdog timer to detect software lock-ups.  

### **Features:**  
- **Voltage Monitoring:** Monitors VCC for undervoltage conditions.  
- **Reset Output:** Active-low RESET signal for microprocessor control.  
- **Watchdog Timer:** Prevents system lock-up by requiring periodic toggling.  
- **Manual Reset Input:** Allows external pushbutton reset.  
- **Low Power Consumption:** Suitable for battery-powered applications.  
- **Small Form Factor:** 8-pin SOIC package for space-constrained designs.  

This device is commonly used in embedded systems, industrial controls, and automotive electronics for reliable power management.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • ADM706PARZ --: Pin-compatible microprocessor supervisory circuit with active-high reset, same function and supply range as MAX706P.
  • IMP706PESA --: Direct functional equivalent of the MAX706P supervisor with matching reset polarity and watchdog timer.
  • CAT706PVI-GT3 --: Low-cost microprocessor reset supervisor offering comparable reset threshold and watchdog functionality.
  • TPS3705-33DGNR --: Supervisory circuit with reset and watchdog functions in a small package, suitable replacement when layout allows package change.

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