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MAX691EWE+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX691EWE+

Manufacturer: MAXIM

Microprocessor Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX691EWE+,MAX691EWE MAXIM 3 In Stock

Description and Introduction

Microprocessor Supervisory Circuits The MAX691EWE+ is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated.  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Package:** 16-SOIC (0.295", 7.50mm Width)  
- **Type:** Supervisory Circuit  
- **Voltage - Threshold:** 4.65V  
- **Number of Voltages Monitored:** 1  
- **Output Type:** Active Low, Push-Pull  
- **Reset Timeout:** 200ms (Minimum)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Supply Voltage (Max):** 5.5V  
- **Supply Voltage (Min):** 1.2V  

### **Descriptions:**  
The MAX691EWE+ monitors the power supply voltage of a microprocessor and provides a reset signal if the voltage drops below a preset threshold (4.65V). It ensures proper system initialization and prevents data corruption during power-up, power-down, or brownout conditions.  

### **Features:**  
- **Low Power Consumption:** Operates with minimal current draw.  
- **Manual Reset Input:** Allows for external reset control.  
- **Battery Backup Switchover:** Supports automatic switchover to backup battery when the main power fails.  
- **Watchdog Timer:** Includes a watchdog timer to detect software lockups.  
- **Power-Fail Comparator:** Provides early warning of impending power failure.  
- **Push-Pull Reset Output:** Ensures a clean reset signal without external pull-up resistors.  

This device is commonly used in embedded systems, industrial controls, and battery-powered applications requiring reliable power monitoring.

Application Scenarios & Design Considerations

Microprocessor Supervisory Circuits

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