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MAX690MJA from MAX,MAXIM - Dallas Semiconductor

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MAX690MJA

Manufacturer: MAX

Microprocessor Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX690MJA MAX 10 In Stock

Description and Introduction

Microprocessor Supervisory Circuits The MAX690MJA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage Range:** 1.2V to 5.5V  
- **Operating Temperature Range:** -55°C to +125°C  
- **Quiescent Current:** 10μA (typical)  
- **Reset Threshold Accuracy:** ±1.5% (over temperature)  
- **Reset Timeout Period:** 200ms (min)  
- **Watchdog Timer Timeout Period:** 1.6s (nominal)  
- **Package:** 8-pin CERDIP (MJA)  

### **Descriptions:**
- The MAX690MJA monitors microprocessor power supplies to prevent system malfunctions due to power issues.  
- It provides a reset signal to the μP during power-up, power-down, or brownout conditions.  
- Includes a watchdog timer to detect software lockups.  
- Designed for high-reliability applications, including military and aerospace.  

### **Features:**
- **Low Power Consumption:** Operates with minimal current draw.  
- **Precision Voltage Monitoring:** Ensures reliable reset signals.  
- **Manual Reset Input:** Allows for external reset triggering.  
- **Watchdog Timer:** Resets the system if software fails to respond.  
- **Wide Operating Voltage Range:** Supports various μP power supplies.  
- **High Reliability:** Suitable for harsh environments due to extended temperature range.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Microprocessor Supervisory Circuits

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