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MAX707MJA/883B from MAX,MAXIM - Dallas Semiconductor

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MAX707MJA/883B

Manufacturer: MAX, MAXIM

Low-Cost, µP Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX707MJA/883B,MAX707MJA883B MAX, MAXIM 36 In Stock

Description and Introduction

Low-Cost, µP Supervisory Circuits The MAX707MJA/883B is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX707MJA/883B  
- **Package:** CERDIP-8  
- **Operating Temperature Range:** -55°C to +125°C (Military Grade)  
- **Supply Voltage Range:** 1V to 5.5V  
- **Reset Threshold Options:** 4.65V (MAX707), 4.40V (MAX708)  
- **Reset Timeout Period:** 200ms (min)  
- **Watchdog Timer Timeout:** 1.6s (nominal)  
- **Quiescent Current:** 35μA (typ)  

### **Descriptions:**
- The MAX707MJA/883B is a precision μP supervisory circuit designed to monitor power supply voltages in microprocessor-based systems.  
- It provides reset signals during power-up, power-down, and brownout conditions to ensure proper system operation.  
- The device includes a watchdog timer, manual reset input, and a power-fail comparator for early warning of power loss.  
- It is qualified for military applications (MIL-PRF-38535 Class Level B).  

### **Features:**
- **Precision Voltage Monitoring:** Ensures reliable reset generation for supply voltages.  
- **Watchdog Timer:** Monitors microprocessor activity; resets if software fails.  
- **Manual Reset Input:** Allows external pushbutton reset.  
- **Power-Fail Comparator:** Provides early warning of power failure.  
- **Low Power Consumption:** 35μA typical quiescent current.  
- **Military-Grade Reliability:** Meets MIL-STD-883B standards.  
- **Reset Output:** Active-low RESET signal for system initialization.  

This information is strictly based on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

Low-Cost, µP Supervisory Circuits

Alternative Part Number

  • ADM707JN --: Pin-compatible microprocessor supervisory circuit with reset and watchdog functions, widely available and functionally equivalent to the MAX707.
  • ICL707CPD --: Direct functional equivalent supervisory IC offering reset output and watchdog timer, suitable drop-in replacement in most circuits.
  • TL7705ACP --: Popular supply voltage supervisor with reset output; requires minor circuit adjustment but provides comparable monitoring function at low cost.
  • LTC1232CN8 --: Similar supervisory IC offering reset output and watchdog timer in an 8-pin DIP, suitable as a functional replacement.

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