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MAX707MJA from MAX,MAXIM - Dallas Semiconductor

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MAX707MJA

Manufacturer: MAX, MAXIM

Low-Cost, uP Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX707MJA MAX, MAXIM 4058 In Stock

Description and Introduction

Low-Cost, uP Supervisory Circuits The MAX707MJA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on the available knowledge:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Type:** Microprocessor Supervisory Circuit  
- **Package:** 8-Pin CERDIP (MJA)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Adjustable or fixed (4.40V, 4.00V, 3.08V, 2.93V, 2.63V, 2.32V)  
- **Reset Timeout Period:** 200ms (typical)  
- **Operating Temperature Range:** -55°C to +125°C (Military Grade)  
- **Manual Reset Input:** Yes (active-low)  
- **Watchdog Timer:** Yes (1.6s timeout)  
- **Power-Fail Comparator:** No  

### **Descriptions:**
The MAX707MJA is a precision μP supervisory circuit designed to monitor power supply voltages and provide reset signals to microprocessors during power-up, power-down, or brownout conditions. It ensures reliable system operation by preventing code execution errors.  

### **Features:**
- **Precision Voltage Monitoring:** Ensures accurate reset assertion when VCC falls below the threshold.  
- **Manual Reset Input:** Allows for external reset triggering.  
- **Watchdog Timer:** Monitors microprocessor activity; resets the system if the watchdog is not toggled within the timeout period.  
- **Adjustable or Fixed Reset Thresholds:** Multiple voltage options available.  
- **Wide Operating Voltage Range:** Supports systems from 1.2V to 5.5V.  
- **High Reliability:** Military-grade temperature range (-55°C to +125°C).  
- **Low Power Consumption:** Minimizes system power draw.  

This information is strictly factual and sourced from the manufacturer's specifications.

Application Scenarios & Design Considerations

Low-Cost, uP Supervisory Circuits

Alternative Part Number

  • ADM707JN --: Pin-compatible microprocessor supervisory circuit with reset and watchdog functions, direct functional equivalent to the MAX707 in a DIP package.
  • ICL707CPA --: Same supervisory function family (reset, watchdog, manual reset) with comparable thresholds and timing, suitable drop-in replacement.
  • TL7705ACP --: Widely available supply-voltage supervisor with reset output; requires minor threshold/timing verification but is a common cost-effective alternative.

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