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MAX705MJA/883B from MAX,MAXIM - Dallas Semiconductor

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MAX705MJA/883B

Manufacturer: MAX

Low-Cost, µP Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX705MJA/883B,MAX705MJA883B MAX 5 In Stock

Description and Introduction

Low-Cost, µP Supervisory Circuits The MAX705MJA/883B is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX705MJA/883B  
- **Type:** Microprocessor Supervisor  
- **Package:** CERDIP-8  
- **Operating Voltage Range:** 1.0V to 5.5V  
- **Reset Threshold Accuracy:** ±1.5% (4.65V for 5V systems)  
- **Reset Timeout Period:** 200ms (typical)  
- **Operating Temperature Range:** -55°C to +125°C  
- **Qualification Level:** MIL-PRF-38535 Class H (High Reliability)  

### **Descriptions:**
The MAX705MJA/883B is a high-reliability supervisory circuit designed to monitor power supply voltages in microprocessor-based systems. It ensures proper system operation by generating a reset signal when the supply voltage falls below a preset threshold, preventing erratic behavior during power-up, power-down, or brownout conditions.  

### **Features:**
1. **Precision Voltage Monitoring:** Monitors 5V, 3.3V, or adjustable voltage supplies.  
2. **Manual Reset Input:** Allows for external reset initiation via a pushbutton.  
3. **Power-On Reset (POR) Function:** Ensures a valid reset signal at power-up.  
4. **Watchdog Timer:** Includes a 1.6s timeout watchdog timer to detect software lockups.  
5. **Low Quiescent Current:** Typically consumes 50μA in normal operation.  
6. **High Reliability:** Qualified for military and aerospace applications.  
7. **Pb-Free and RoHS Compliant:** Meets environmental standards.  

This device is commonly used in mission-critical applications requiring high reliability, such as aerospace, defense, and industrial systems.  

Would you like additional details on any specific aspect?

Application Scenarios & Design Considerations

Low-Cost, µP Supervisory Circuits

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